OT-2026-000021245
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer
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-2026-000021245) never changes.
Identity and time
| Publication number | OT-2026-000021245 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-7ad6-a464-0757340f1364 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021245 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2d33e08d8eb5f92e5d70f3e02be4987abb7b3abcd2776342d8f0c93e40a7d7a6 |
|---|---|
| Markdown | 1d8ade6b8ad2a8851988afb047ba47373568925cc7df545b141e5813ca24c80a |
| Publication page | 119e5309e86ae8a34c483155e537ed586679a718a4678d6e054ab2de97a61122 |
| Manifest | 44ecda3294e04fb548c0ca38b243b8dfd2304cecb2dfb304f5fbe552b5524a6d |
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 | 592Psyh/TUeIm7vfsvpeyjkI0GKfnortWitdT6st8ThDezqI2wGiouoIqSiFLW9FKuFM7zE5GjJ8FmkWBq8SCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:55:03.529522Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021245observed 119e5309e86ae8a34c483155e537ed58...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:03.512066Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021245/manifest.jsonobserved 44ecda3294e04fb548c0ca38b243b8df...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:03.495354Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021245/publication.mdobserved 1d8ade6b8ad2a8851988afb047ba4737...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:03.478840Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021245/publication.txtobserved 2d33e08d8eb5f92e5d70f3e02be4987a...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|