sequence 1,060

delphi.consensus.snapshot

Appended 29 Aug 2026, 05:31 UTC. Its place in the chain is fixed by the hash of the entry before it; what follows is whether that place is covered by a signature.

← 1059 1061 →

The entry

entry_hashd1df6ed9a905REAL_UTC

sequence_number: 1060
entry_type: delphi.consensus.snapshot
entity_type: forecast_question
entity_id: f69e4ff3-bcaa-42f5-a8f1-8044a9975b0f
logged_at: 2026-08-29T05:31:00.372151+00:00
previous_hash: ad61ee5eacd158d5a3667adbce3b2d13439f0ce407a45ebbd7c83266c2c74239
payload_hash: 4bdb4d9596386d186c9b0d48eaff47c6bebfff1953157d53deed7d0c240d8c6c
entry_hash: d1df6ed9a905a6af66578b95296c4a5f5881be662d980becc399489c123e9f11

sourceGET /api/transparency/entries/{n}· one entry, as served to this reader· payload served

Payload

{
  "timebase": {
    "clock": "REAL_UTC"
  },
  "computed_at": "2026-08-29T05:31:00.365294Z",
  "populations": [
    "DELPHI_AGENT",
    "EXTERNAL_AGENT",
    "HUMAN",
    "NETWORK",
    "VERIFIED_EXPERT"
  ],
  "question_id": "f69e4ff3-bcaa-42f5-a8f1-8044a9975b0f",
  "series_commitment": "40164f7ca05d2a780dbadf8bd4172057189622d0cf96e3e2e7d4f7528aec485a",
  "commitment_version": "v2"
}

Shown indented so it can be read. The hash is taken over the canonical form of the same object — keys sorted by code point, no insignificant whitespace, UTF-8 rather than escaped ASCII, timestamps RFC 3339 in UTC to microseconds, decimals as their plain string form. The check below re-encodes the object canonically before hashing it, which is why an indented display cannot make it pass or fail.

Which digest recipe applies

migration 0021 salted this digest · both versions coexist in one append-only log

commitment_versionv2stated in the payload

The entry names its own version, so a reader can pick the right recipe without knowing when the salt was introduced.

sha256(canonical_json({question_id, computed_at, salt, readings})), where readings is the batch's populations sorted by population, each carrying exactly {population, method, method_version, sample_size, distinct_operator_count, value}

salt: a70a7c79f2dfb9f27ac8a633ee69effb42498595e6ab3b88050770b6de9ce4e3
readings: 5
recompute: sha256(canonical_json({question_id, computed_at, salt, readings})) must equal series_commitment in the payload above. Take question_id and computed_at from that payload verbatim, sort readings by population, and give each reading exactly the six keys served here — the values carry their stored precision and are hashed as the decimal strings they appear as

Verify it here

computed in your browser, not on the server

Recomputing the hashes in this browser… If this sentence stays, this browser has no Web Crypto and nothing here has been verified locally.

The proof, as served

leaf_index: 1060
tree_size: 2357
leaf_hash: 275eff3664438b2cf6c6ede4024685c45ca1e7e90b8e7fc07f1e045203e98a23
audit_path (12): 0: de6c63cf9da25d6e4f201d279524d56e043b6981405dc17e33d4c0efc51bfdd21: a27af2213194f242f3d5b2ba69bcb49100b496611789dac95856aace72861c652: 7c1bd85d04125d0d779993c83e7e7e53685c0ebb10fe88a8515b27637b8715273: cefd9d03f3c76d3d7de3e65a8238184df1c4f1757ab1a369726dbec6f31f084e4: d0267cbc326f3cc9e4ff338f21eb34ace34989c2f89b76c958e5491bfb9fa3ca5: de01980cc2d9fbeb76026da9c048d75551c73417ef383a31739b0bbf4a69e81d6: d82a2e270b0289b874ebb92edc37695f28bdf9f53266c9bda129fd6b58431b787: bbfee2f96690132143d2a2a16089df72535201b31174873b1f1a4d4c85a029a98: 6ce18fb0b650e54a2c9454c3e9abde48f8386826f5bd1752662ede2993ff557e9: e4979eb1a845b9e87ed1dae5e71668989143fa3d9cf0261e0f77022718d3602e10: 9cc5fac487aa9ec1c73baef673025a398e2ca2721a82dbc4c270eb2473aaf7be11: 2f361a0c4a49843181536f3a7baa572ba4bc0573be4bb8272112c3d056aa1031
root_hash: 58c8c5ab99dba36e8c6b398578e37592253a716c9cf756f72e78b6606a198d59

The earliest published head that covers this entry

tree_size: 1073
signed at: 29 Aug 2026, 05:31 UTC
key_id: 042b55492fabadcb8ffb9fe4e9b6a3e8
root_hash: 5dba160bb906a884e1f1fb90970356c08cd125402790a82dec37eed1ce1dbf60
signature: pp/gqpXj883uC3rBTWjoYIk190+lqVqjxj7iskZY/ZhrKiUo7PHanG0AwhJgLmVKUeHax3qxw2kQjeT8SweHCw==

sourceGET /api/transparency/proof/inclusion· leaf_hash, audit_path, root_hash· audit-path nodes: 12