OT-2026-000031991
Publication integrity record
Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000031991) never changes.
Identity and time
| Publication number | OT-2026-000031991 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad2-7053-a17a-4e0052e75ce7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031991 |
| Status | PUBLIC |
Content hashes
| Canonical text | de249da395fc386977c7941d10bdf2cf3bb3256bd455a4ba1cefffefef0cd65b |
|---|---|
| Markdown | 18b2f5c172f9855050d141fe8f91fc9c424f4c57c0d5a8020c43f88028f33473 |
| Publication page | cd4ad0223d51135d4c17916f907efce2a1b158b0bf7e0093441fb57fc7e940a9 |
| Manifest | 92d6ee31a55104dfd37bd3e8d5f67deb1b1626eafc336ae5e368cc9e19372ae6 |
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 | 8MOlFrltdgq3Jv5HUIH0iBWEAWpiNwe15/MID+X0s7ZFRdHCVd8ZkJ+zkwxmrYwZUfABONc3QR0zsrGk27G+AA== |
| 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
| 2026-09-17T11:35:23.300130Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031991observed cd4ad0223d51135d4c17916f907efce2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:23.275209Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031991/manifest.jsonobserved 92d6ee31a55104dfd37bd3e8d5f67deb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:23.256221Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031991/publication.mdobserved 18b2f5c172f9855050d141fe8f91fc9c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:23.235425Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031991/publication.txtobserved de249da395fc386977c7941d10bdf2cf...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. |
|---|