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      "id": "silence-index",
      "name": "Silence Index",
      "layer": "content",
      "status": "live",
      "cadence": "PT1H",
      "evidence_state": "fresh",
      "observed_at": "2026-08-24T06:04:23Z",
      "age_seconds": 1609,
      "latest": "readings/silence-index-latest.json",
      "landing_page": "readings/index.html#content",
      "envelope_schema": "palimpsest-collector-artifact/v1",
      "envelope_state": "schema-gap",
      "abstention": null
    },
    {
      "id": "undertext",
      "name": "UNDERTEXT differential fusion",
      "layer": "content",
      "status": "live",
      "cadence": "PT6H",
      "evidence_state": "fresh",
      "observed_at": "2026-08-24T05:03:57Z",
      "age_seconds": 5235,
      "latest": "readings/undertext-latest.json",
      "landing_page": "news/china/erasure/",
      "envelope_schema": "palimpsest-collector-artifact/v1",
      "envelope_state": "schema-gap",
      "abstention": null
    },
    {
      "id": "vantage-fusion",
      "name": "Vantage fusion interval",
      "layer": "network",
      "status": "live",
      "cadence": "PT6H",
      "evidence_state": "fresh",
      "observed_at": "2026-08-24T02:27:09.647044Z",
      "age_seconds": 14642,
      "latest": "readings/vantage-fusion-latest.json",
      "landing_page": "data.html#dataset-vantage-fusion",
      "envelope_schema": "palimpsest-collector-artifact/v1",
      "envelope_state": "schema-gap",
      "abstention": null
    },
    {
      "id": "wayback",
      "name": "Wayback reconstruction",
      "layer": "content",
      "status": "live",
      "cadence": "PT6H",
      "evidence_state": "fresh",
      "observed_at": "2026-08-24T02:10:39.231795Z",
      "age_seconds": 15633,
      "latest": "readings/wayback-latest.json",
      "landing_page": "readings/index.html#content",
      "envelope_schema": "palimpsest-collector-artifact/v1",
      "envelope_state": "schema-gap",
      "abstention": null
    },
    {
      "id": "weekly-situation",
      "name": "Weekly situation report",
      "layer": "cross-layer",
      "status": "live",
      "cadence": "PT1H",
      "evidence_state": "fresh",
      "observed_at": "2026-08-24T05:26:36.046338Z",
      "age_seconds": 3876,
      "latest": "readings/weekly-situation-latest.json",
      "landing_page": "weekly-situation.html",
      "envelope_schema": "palimpsest-collector-artifact/v1",
      "envelope_state": "schema-gap",
      "abstention": null
    },
    {
      "id": "weibo-hotsearch",
      "name": "Weibo allowed-attention denominator",
      "layer": "content",
      "status": "live",
      "cadence": "PT1H",
      "evidence_state": "fresh",
      "observed_at": "2026-08-24T05:55:38Z",
      "age_seconds": 2134,
      "latest": "readings/weibo-hotsearch-latest.json",
      "landing_page": "readings/index.html#content",
      "envelope_schema": "palimpsest-collector-artifact/v1",
      "envelope_state": "schema-gap",
      "abstention": null
    },
    {
      "id": "cloudflare-radar-tcp",
      "name": "Cloudflare passive TCP telemetry",
      "layer": "network",
      "status": "gated",
      "cadence": "PT1H",
      "evidence_state": "gated",
      "observed_at": null,
      "age_seconds": null,
      "latest": "readings/cloudflare-radar-tcp-latest.json",
      "landing_page": "data.html#dataset-cloudflare-radar-tcp",
      "envelope_schema": null,
      "envelope_state": null,
      "abstention": null
    },
    {
      "id": "generative-firewall",
      "name": "Generative Firewall Index",
      "layer": "model",
      "status": "gated",
      "cadence": "P1D",
      "evidence_state": "gated",
      "observed_at": "2026-08-23T08:02:43.590725Z",
      "age_seconds": 80908,
      "latest": "readings/latest.json",
      "landing_page": "readings/generative-firewall-index.html",
      "envelope_schema": "palimpsest-collector-artifact/v1",
      "envelope_state": "schema-gap",
      "abstention": null
    },
    {
      "id": "inside-view",
      "name": "Inside View",
      "layer": "network",
      "status": "gated",
      "cadence": "PT2H",
      "evidence_state": "gated",
      "observed_at": "2026-08-24T02:10:02.474356Z",
      "age_seconds": 15669,
      "latest": "readings/inside-view-latest.json",
      "landing_page": "readings/inside-view.html",
      "envelope_schema": "palimpsest-collector-artifact/v1",
      "envelope_state": "schema-gap",
      "abstention": null
    },
    {
      "id": "refusal-drift",
      "name": "Frontier refusal churn",
      "layer": "model",
      "status": "gated",
      "cadence": "PT6H",
      "evidence_state": "gated",
      "observed_at": "2026-08-24T04:54:42.622246Z",
      "age_seconds": 5789,
      "latest": "readings/refusal-drift-latest.json",
      "landing_page": "readings/eval-registry.html#drift",
      "envelope_schema": "palimpsest-collector-artifact/v1",
      "envelope_state": "schema-gap",
      "abstention": null
    },
    {
      "id": "social-observations",
      "name": "Bounded Social Observation Ledger",
      "layer": "narrative",
      "status": "gated",
      "cadence": "PT1H",
      "evidence_state": "gated",
      "observed_at": "2026-08-23T01:15:19Z",
      "age_seconds": 105353,
      "latest": "readings/social-observations-latest.json",
      "landing_page": "news/china/situation/",
      "envelope_schema": "palimpsest-collector-artifact/v1",
      "envelope_state": "schema-gap",
      "abstention": null
    },
    {
      "id": "source-workflow",
      "name": "Protected Human-Source Workflow Summary",
      "layer": "cross-layer",
      "status": "gated",
      "cadence": "PT1H",
      "evidence_state": "gated",
      "observed_at": "2026-08-12T11:24:43Z",
      "age_seconds": 1019189,
      "latest": "readings/source-workflow-latest.json",
      "landing_page": "news/standards/",
      "envelope_schema": "palimpsest-collector-artifact/v1",
      "envelope_state": "schema-gap",
      "abstention": null
    },
    {
      "id": "ooni-bulk",
      "name": "OONI bulk evidence warehouse",
      "layer": "network",
      "status": "private-node",
      "cadence": "PT1H",
      "evidence_state": "private-node",
      "observed_at": null,
      "age_seconds": null,
      "latest": "readings/ooni-bulk-latest.json",
      "landing_page": "data.html#dataset-ooni-bulk",
      "envelope_schema": null,
      "envelope_state": null,
      "abstention": null
    },
    {
      "id": "anchors",
      "name": "External integrity anchors",
      "layer": "integrity",
      "status": "live",
      "cadence": "PT6H",
      "evidence_state": "stale",
      "observed_at": "2026-08-23T13:40:19.629743Z",
      "age_seconds": 60652,
      "latest": "readings/anchors-latest.json",
      "landing_page": "readings/eval-registry.html#anchors",
      "envelope_schema": "palimpsest-collector-artifact/v1",
      "envelope_state": "schema-gap",
      "abstention": null
    },
    {
      "id": "bleedthrough",
      "name": "BLEEDTHROUGH DNS-injector telemetry",
      "layer": "network",
      "status": "live",
      "cadence": "PT6H",
      "evidence_state": "stale",
      "observed_at": "2026-08-23T00:57:39.521153Z",
      "age_seconds": 106412,
      "latest": "readings/bleedthrough-latest.json",
      "landing_page": "readings/bleedthrough.html",
      "envelope_schema": "palimpsest-collector-artifact/v1",
      "envelope_state": "schema-gap",
      "abstention": null
    },
    {
      "id": "china-article-stream",
      "name": "Palimpsest China Article Stream",
      "layer": "cross-layer",
      "status": "live",
      "cadence": "PT1H",
      "evidence_state": "stale",
      "observed_at": "2026-08-22T21:02:03Z",
      "age_seconds": 120549,
      "latest": "readings/china-article-stream-latest.json",
      "landing_page": "news/china/",
      "envelope_schema": "palimpsest-collector-artifact/v1",
      "envelope_state": "schema-gap",
      "abstention": null
    },
    {
      "id": "china-econ",
      "name": "China economic telemetry",
      "layer": "state",
      "status": "live",
      "cadence": "PT6H",
      "evidence_state": "stale",
      "observed_at": "2026-08-23T01:47:39Z",
      "age_seconds": 103413,
      "latest": "readings/china-econ-latest.json",
      "landing_page": "readings/index.html#state",
      "envelope_schema": "palimpsest-collector-artifact/v1",
      "envelope_state": "schema-gap",
      "abstention": null
    },
    {
      "id": "corroboration",
      "name": "Reviewed Corroboration Ledger",
      "layer": "cross-layer",
      "status": "live",
      "cadence": "PT1H",
      "evidence_state": "stale",
      "observed_at": "2026-08-22T21:02:03Z",
      "age_seconds": 120549,
      "latest": "readings/corroboration-latest.json",
      "landing_page": "news/standards/",
      "envelope_schema": "palimpsest-collector-artifact/v1",
      "envelope_state": "schema-gap",
      "abstention": null
    },
    {
      "id": "dragon-whispers",
      "name": "Dragon Whispers Reviewed Telegram Context",
      "layer": "narrative",
      "status": "live",
      "cadence": "PT1H",
      "evidence_state": "stale",
      "observed_at": "2026-08-15T08:16:38Z",
      "age_seconds": 771274,
      "latest": "readings/dragon-whispers-latest.json",
      "landing_page": "news/china/whispers/",
      "envelope_schema": "palimpsest-collector-artifact/v1",
      "envelope_state": "schema-gap",
      "abstention": null
    },
    {
      "id": "newswire",
      "name": "Palimpsest Evidence Wire",
      "layer": "cross-layer",
      "status": "live",
      "cadence": "PT1H",
      "evidence_state": "stale",
      "observed_at": "2026-08-22T21:02:03Z",
      "age_seconds": 120549,
      "latest": "readings/newswire-latest.json",
      "landing_page": "news/wire/",
      "envelope_schema": "palimpsest-collector-artifact/v1",
      "envelope_state": "schema-gap",
      "abstention": null
    },
    {
      "id": "primary-documents",
      "name": "Primary Document Archive",
      "layer": "economy",
      "status": "live",
      "cadence": "P1D",
      "evidence_state": "stale",
      "observed_at": "2026-08-12T11:09:06Z",
      "age_seconds": 1020126,
      "latest": "readings/primary-documents-latest.json",
      "landing_page": "news/standards/",
      "envelope_schema": "palimpsest-collector-artifact/v1",
      "envelope_state": "schema-gap",
      "abstention": null
    },
    {
      "id": "stock-connect",
      "name": "Stock Connect flows",
      "layer": "state",
      "status": "live",
      "cadence": "P1D",
      "evidence_state": "stale",
      "observed_at": "2026-08-21T14:03:19Z",
      "age_seconds": 232073,
      "latest": "readings/stock-connect-latest.json",
      "landing_page": "readings/index.html#state",
      "envelope_schema": "palimpsest-collector-artifact/v1",
      "envelope_state": "schema-gap",
      "abstention": null
    },
    {
      "id": "archive-news-context",
      "name": "Archive news context",
      "layer": "content",
      "status": "warming",
      "cadence": "PT1H",
      "evidence_state": "warming",
      "observed_at": null,
      "age_seconds": null,
      "latest": "readings/archive-news-context-latest.json",
      "landing_page": "osint-china.html",
      "envelope_schema": null,
      "envelope_state": null,
      "abstention": null
    },
    {
      "id": "cdt-context",
      "name": "CDT peer editorial context",
      "layer": "content",
      "status": "warming",
      "cadence": "PT6H",
      "evidence_state": "warming",
      "observed_at": null,
      "age_seconds": null,
      "latest": "readings/cdt-context-latest.json",
      "landing_page": "news/china/situation/",
      "envelope_schema": null,
      "envelope_state": null,
      "abstention": null
    },
    {
      "id": "cross-layer",
      "name": "Cross-layer timing",
      "layer": "cross-layer",
      "status": "warming",
      "cadence": "PT1H",
      "evidence_state": "warming",
      "observed_at": "2026-08-24T05:26:35.928040Z",
      "age_seconds": 3876,
      "latest": "readings/cross-layer-latest.json",
      "landing_page": "readings/index.html#stats",
      "envelope_schema": "palimpsest-collector-artifact/v1",
      "envelope_state": "schema-gap",
      "abstention": null
    },
    {
      "id": "greatfire-context",
      "name": "GreatFire attributed verdicts",
      "layer": "network",
      "status": "warming",
      "cadence": "PT12H",
      "evidence_state": "warming",
      "observed_at": "2026-08-23T00:33:01Z",
      "age_seconds": 107891,
      "latest": "readings/greatfire-context-latest.json",
      "landing_page": "osint-china.html",
      "envelope_schema": "palimpsest-collector-artifact/v1",
      "envelope_state": "schema-gap",
      "abstention": null
    },
    {
      "id": "live-watch",
      "name": "Public vantage watch",
      "layer": "narrative",
      "status": "warming",
      "cadence": "PT1H",
      "evidence_state": "warming",
      "observed_at": "2026-08-20T09:50:33Z",
      "age_seconds": 333639,
      "latest": "readings/live-watch-latest.json",
      "landing_page": "news/china/rumour/",
      "envelope_schema": "palimpsest-collector-artifact/v1",
      "envelope_state": "schema-gap",
      "abstention": null
    },
    {
      "id": "network-rounds",
      "name": "Frozen Multiprotocol Network Rounds",
      "layer": "network",
      "status": "warming",
      "cadence": "PT2H",
      "evidence_state": "warming",
      "observed_at": "2026-08-24T02:10:02Z",
      "age_seconds": 15670,
      "latest": "readings/network-rounds-latest.json",
      "landing_page": "news/standards/",
      "envelope_schema": "palimpsest-collector-artifact/v1",
      "envelope_state": "schema-gap",
      "abstention": null
    },
    {
      "id": "ooni-peer-context",
      "name": "OONI peer-context host join",
      "layer": "network",
      "status": "warming",
      "cadence": "PT6H",
      "evidence_state": "warming",
      "observed_at": null,
      "age_seconds": null,
      "latest": "readings/ooni-peer-context-latest.json",
      "landing_page": "news/china/situation/",
      "envelope_schema": null,
      "envelope_state": null,
      "abstention": null
    },
    {
      "id": "peer-context",
      "name": "Attributed peer-context warehouse",
      "layer": "cross-layer",
      "status": "warming",
      "cadence": "PT6H",
      "evidence_state": "warming",
      "observed_at": "2026-08-23T00:48:00Z",
      "age_seconds": 106992,
      "latest": "readings/peer-context-latest.json",
      "landing_page": "news/china/situation/",
      "envelope_schema": "palimpsest-collector-artifact/v1",
      "envelope_state": "schema-gap",
      "abstention": null
    },
    {
      "id": "peer-context-rank",
      "name": "Peer-context review ranker",
      "layer": "cross-layer",
      "status": "warming",
      "cadence": "PT6H",
      "evidence_state": "warming",
      "observed_at": "2026-08-24T01:51:44Z",
      "age_seconds": 16768,
      "latest": "readings/peer-context-rank-latest.json",
      "landing_page": "osint-china.html",
      "envelope_schema": "palimpsest-collector-artifact/v1",
      "envelope_state": "schema-gap",
      "abstention": null
    },
    {
      "id": "public-deletion-ledgers",
      "name": "Public deletion ledgers",
      "layer": "content",
      "status": "warming",
      "cadence": "PT1H",
      "evidence_state": "warming",
      "observed_at": "2026-08-23T01:08:00Z",
      "age_seconds": 105792,
      "latest": "readings/public-deletion-ledgers-latest.json",
      "landing_page": "osint-china.html",
      "envelope_schema": "palimpsest-collector-artifact/v1",
      "envelope_state": "schema-gap",
      "abstention": null
    },
    {
      "id": "rumour-board",
      "name": "Rumour-board context",
      "layer": "narrative",
      "status": "warming",
      "cadence": "PT1H",
      "evidence_state": "warming",
      "observed_at": "2026-08-20T09:50:33Z",
      "age_seconds": 333639,
      "latest": "readings/rumour-board-latest.json",
      "landing_page": "news/china/rumour/",
      "envelope_schema": "palimpsest-collector-artifact/v1",
      "envelope_state": "schema-gap",
      "abstention": null
    },
    {
      "id": "weiboscope-context",
      "name": "Weiboscope documented abstention",
      "layer": "content",
      "status": "warming",
      "cadence": "PT6H",
      "evidence_state": "warming",
      "observed_at": null,
      "age_seconds": null,
      "latest": "readings/weiboscope-context-latest.json",
      "landing_page": "news/china/situation/",
      "envelope_schema": null,
      "envelope_state": null,
      "abstention": null
    }
  ],
  "abstention": null,
  "method": "Projection of config/public_data_catalog.json plus the catalog builder's artifact timestamps. Envelope compliance is a schema check on the latest file, not a second measurement.",
  "limitations": [
    "Health is the atlas evidence_state, which is last-seal age against the declared cadence. It is not a live probe of the upstream publisher.",
    "A stale file is still evidence of the last successful seal; it is not a zero.",
    "schema-gap means the latest file is readable but does not yet carry the uniform collector-artifact envelope. That is a contract debt, not a dead source."
  ]
}