← the log
sequence 54

delphi.question.published

Appended 15 Aug 2026, 15:53 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.

01. Link to this band.

The entry

entry_hashb4f6975d9ad7. The chained hash of entry 54, which is what every proof on this page is about.REAL_UTC
sequence_number
54
entry_type
delphi.question.published
entity_type
forecast_question
entity_id
b6f50ed5-05a7-40ca-90e0-588fcc89df0b
logged_at
2026-08-15T15:53:37.354040+00:00
previous_hash
562ad7edaf1fbb52f22ca12ad940f13c3e19efa2254ee0eccbfc0ad0b7ca6ebf
payload_hash
d10c1ae121bcc1d429be2e43c15ea2105ccbc9e013ae9cbe97c8a3b42718d4ee
entry_hash
b4f6975d9ad75e5ac1b3d71576f570364f5621327b2c252ba06971fd9ad7d2b0

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

02. Link to this band.

Payload

{
  "slug": "will-the-national-hurricane-center-classify-an-atlantic-hurricane-by-15-september-2026",
  "title": "Will the National Hurricane Center classify an Atlantic hurricane by 15 September 2026?",
  "origin": "EDITORIAL",
  "timebase": {
    "clock": "REAL_UTC"
  },
  "closes_at": "2026-08-23T22:00:00.000000Z",
  "opened_at": "2026-08-15T15:53:37.351147Z",
  "blind_mode": true,
  "provenance": "PUBLIC_RECORD",
  "description": "As of mid-August the 2026 Atlantic season had produced two named storms and no hurricanes. NOAA's 6 August update kept a below-normal outlook at 75 per cent and forecast two to six hurricanes for the whole season. The climatological peak is the first half of September.",
  "question_id": "b6f50ed5-05a7-40ca-90e0-588fcc89df0b",
  "resolution_criteria": "YES if the National Hurricane Center issues an advisory classifying any Atlantic basin system as a hurricane, with an advisory timestamp on or before 15 September 2026 23:59 UTC.",
  "expected_resolution_at": "2026-09-16T12:00:00.000000Z",
  "canonical_source_policy": "National Hurricane Center advisory archive for the 2026 Atlantic season at https://www.nhc.noaa.gov/.",
  "resolution_rule_revision": 1
}

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.

03. Link to this band.

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
54
tree_size
181
leaf_hash
c4175b4560485a13adc2a6d8997a9b2357f74ecc5640b33f9c5f645ea3f1b5b0
audit_path (8)
0: e5cda8ebb9c4ebb21a6e06bcf6fc8bec14de2cc86c30f5ba693617d9ce6706621: 96e406adc6053a4110a5cffc307df681ba31180996cd9c9f58cc4646df497b1e2: 2c888ed5658ad74af4eec38d1bf83a7f45f6f309547e37a50916a13b27e43a743: 59b626cca7986be0b6ec44fe0d4d89e3fdbd22110dbe11bf0c1a9d22fcaf178b4: 2470c45a41e5b2338cd0a79e1b28f402a0e7e23251bee7ed256b2f8f028ccbe75: 0dec549ee6527dafc0e801068f2df8c4eef8fcb9972397c6eb58217673bbfe9c6: 432b3bec17cc8d9bd118f5d2d11fc56d0578ec1940af60be2192f2f1b8d43dc67: 9635acfeb8c2590a96fbee35cfdc30839f075e00ba35b025d06547731fc18743
root_hash
4c26c3ce818fe1e45410fef48bf0969b94f9e5bc0389388f5310d968c2e42fdc

The earliest published head that covers this entry

No published tree head covers this entry yet, so there is nothing signed to check it against. That is the ordinary state of an entry appended since the last checkpoint, and it is neither a failure nor a permanent one.

sourceGET /api/transparency/proof/inclusion· leaf_hash, audit_path, root_hash· audit-path nodes: 8