OT-2026-000002493
Publication integrity record
Gangway having self-raising assembly
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000002493) never changes.
Identity and time
| Publication number | OT-2026-000002493 · never reused |
|---|---|
| Internal UUID | 01a0a67d-04ad-76f6-b50f-4c97639ed5d4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:13:26.189461Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002493 |
| Status | PUBLIC |
Content hashes
| Canonical text | 09b981dc9a200d58620626f8d32a0dd877d5553939e9f691de1db650cf12cff0 |
|---|---|
| Markdown | 3c84290c8e56264da6e7fcbdc833a1848a139e55593c4416db690ac431114374 |
| Publication page | 4f9d66d109a4c918fd7fc743876566a8c16727b6d57df82fc81963fdb7735b3f |
| Manifest | aab5be1dd7ce9d33af5f1efaddaa48a5a232897c18552cfb447e7311b96311e9 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | h9fMzQJiwpAaGhn0ZWVn2ilpj2mB6SK3ynlzt6qVt3nFLC9E1L5sus07Nn9m1EZgiFpm0NqR2PnMTVhsVbP1DA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:27:02Z batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof root 2d7e364e718bd6a32072ec57f9edc195... |
|---|
Independent retrieval
| 2026-09-15T19:40:09.278241Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002493observed 4f9d66d109a4c918fd7fc743876566a8...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T19:40:09.250201Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002493/manifest.jsonobserved aab5be1dd7ce9d33af5f1efaddaa48a5...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:40:09.238181Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002493/publication.txtobserved 09b981dc9a200d58620626f8d32a0dd8...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|