OT-2026-000001522
Publication integrity record
Crane arrangement including a pre-operation planning module
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-2026-000001522) never changes.
Identity and time
| Publication number | OT-2026-000001522 · never reused |
|---|---|
| Internal UUID | 01a0a676-98b8-7470-95dd-a9bf1e504f42 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:06:25.337250Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001522 |
| Status | PUBLIC |
Content hashes
| Canonical text | 55d6105065c5dd047f45a91910a886a2a6c4aff399445f83705f28bd5c46a9aa |
|---|---|
| Markdown | 51c7057353093b24c0370d59cf6af9ff3e840dada405c0f64e5271938369b343 |
| Publication page | ed1805e3879fd63716c4980984f17d4a373e9a4d95e8cad3b03a6be3385c4f28 |
| Manifest | 6ef4869c5b999476475eb620998648d5d881d3d5e5ec86eaf754b8bc1c9346dd |
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 | OTkOhzd47Ff5eXPD5ly1+vTRBtqWyT+zvHtsUqvsFk2tZxeiSmP4dJVRfv1cvk4AkV2QF9KApQLHoAL4Tyi5Bw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:07:03Z batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof root 6369baadb1a246009d149835804d20ba... |
|---|
Independent retrieval
| 2026-09-15T20:00:34.700140Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001522observed ed1805e3879fd63716c4980984f17d4a...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:00:34.667267Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001522/manifest.jsonobserved 6ef4869c5b999476475eb620998648d5...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:34.654716Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001522/publication.txtobserved 55d6105065c5dd047f45a91910a886a2...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 |
|---|