OT-2026-000030449
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000030449) never changes.
Identity and time
| Publication number | OT-2026-000030449 · never reused |
|---|---|
| Internal UUID | 01a0ae73-e503-7c33-a521-11cf36079e61 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:26.007257Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030449 |
| Status | PUBLIC |
Content hashes
| Canonical text | a39b179fc46abe211b1d842320b7560e03ae60376aafe1053ee6bac2cb22da6d |
|---|---|
| Markdown | 1985ed6298b07416e48a5a72210f2b45b5edd550c19e6933c80dc04bb4d865fd |
| Publication page | 6d4433b1525869753a163e0f91457ff0d9a0db25033ded440eb178077fd31472 |
| Manifest | d6f55326c6e785f2931fbecbdd9ff906d83e7071dd8ec947a283ab0abcafbecd |
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 | ur6sYfwN+LPXdQM0BeNsxBNYRpIxH0U0oORmcQn05qJ4EtGU22YHthwJVmVvKlIOoD5UDtEWjrcXTZ/g75FcAg== |
| 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
| 2026-09-17T11:38:11.609335Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030449observed 6d4433b1525869753a163e0f91457ff0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:11.591889Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030449/manifest.jsonobserved d6f55326c6e785f2931fbecbdd9ff906...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:11.573914Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030449/publication.mdobserved 1985ed6298b07416e48a5a72210f2b45...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:11.556888Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030449/publication.txtobserved a39b179fc46abe211b1d842320b7560e...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. |
|---|