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      "layer": "economy",
      "status": "live",
      "cadence": "PT6H",
      "evidence_state": "partial",
      "observed_at": "2026-10-11T14:05:10Z",
      "age_seconds": 625,
      "latest": "readings/china-publication-watch-latest.json",
      "landing_page": "china/evidence/",
      "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": "belt-and-road-observatory",
      "name": "Belt and Road Observatory coverage contract",
      "layer": "cross-layer",
      "status": "live",
      "cadence": "P1D",
      "evidence_state": "stale",
      "observed_at": "2026-08-26T19:34:49Z",
      "age_seconds": 3955246,
      "latest": "readings/belt-and-road-observatory-latest.json",
      "landing_page": "belt-and-road/",
      "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": "2026-10-11T13:27:39Z",
      "age_seconds": 2876,
      "latest": "readings/archive-news-context-latest.json",
      "landing_page": "osint-china.html",
      "envelope_schema": "palimpsest-collector-artifact/v1",
      "envelope_state": "schema-gap",
      "abstention": null
    },
    {
      "id": "cdt-context",
      "name": "CDT peer editorial context",
      "layer": "content",
      "status": "warming",
      "cadence": "PT6H",
      "evidence_state": "warming",
      "observed_at": "2026-10-11T14:13:32Z",
      "age_seconds": 123,
      "latest": "readings/cdt-context-latest.json",
      "landing_page": "news/china/situation/",
      "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": "2026-10-11T11:12:34Z",
      "age_seconds": 10981,
      "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": 4508702,
      "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": "2026-08-12T10:19:00Z",
      "age_seconds": 5198195,
      "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": "2026-10-11T14:13:32Z",
      "age_seconds": 123,
      "latest": "readings/ooni-peer-context-latest.json",
      "landing_page": "news/china/situation/",
      "envelope_schema": "palimpsest-collector-artifact/v1",
      "envelope_state": "schema-gap",
      "abstention": null
    },
    {
      "id": "peer-context",
      "name": "Attributed peer-context warehouse",
      "layer": "cross-layer",
      "status": "warming",
      "cadence": "PT6H",
      "evidence_state": "warming",
      "observed_at": "2026-10-11T14:13:32Z",
      "age_seconds": 123,
      "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": "2026-10-11T14:02:13Z",
      "age_seconds": 802,
      "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": "2026-10-11T11:12:19Z",
      "age_seconds": 10996,
      "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": 4508702,
      "latest": "readings/rumour-board-latest.json",
      "landing_page": "news/china/rumour/",
      "envelope_schema": "palimpsest-collector-artifact/v1",
      "envelope_state": "schema-gap",
      "abstention": null
    }
  ],
  "abstention": null,
  "method": "Projection of this edition's public dataset catalog and artifact timestamps, with publication limits and source abstentions retained. 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."
  ]
}