OT-2026-000041172
Publication integrity record
Single bellows cup vacuum gripper, pump fed, pulsed blow-off after 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-2026-000041172) never changes.
Identity and time
| Publication number | OT-2026-000041172 · never reused |
|---|---|
| Internal UUID | 01a0ae79-b143-7c56-a869-25f0cba66671 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:26:45.980839Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000041172 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5c4410b314577a2fe7c8842a90e601a69f0c42f4a2d374efc90846ad3f20da60 |
|---|---|
| Markdown | c3b5ee3bc6bb77430e01b9a3f15a14671d1d32a244dd8f7bc1330efadcdb0f3f |
| Publication page | cff9df34c0a46d823473dc76b6d1a41fcd0ef5eeb40282add11d0a911efd154a |
| Manifest | 7b435942f937d4a4a2350299d0170f99e1482d4ce5a25b52579d77fdf69da71d |
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 | PDDybpNy7MeSGytXKFzumVBwRG7UkUD8Lk72gOvklaWGatnsi/jF6BIWktVhR6PmInkXRHulo5eblSMHep1XCw== |
| 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
| 2026-09-17T11:17:07.100102Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041172observed cff9df34c0a46d823473dc76b6d1a41f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:17:07.084540Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041172/manifest.jsonobserved 7b435942f937d4a4a2350299d0170f99...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:17:07.067060Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041172/publication.mdobserved c3b5ee3bc6bb77430e01b9a3f15a1467...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:17:07.049939Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041172/publication.txtobserved 5c4410b314577a2fe7c8842a90e601a6...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. |
|---|