OT-2026-000021019
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000021019) never changes.
Identity and time
| Publication number | OT-2026-000021019 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e4-7e0b-8891-b0dd0eb4d8b7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021019 |
| Status | PUBLIC |
Content hashes
| Canonical text | d812060e2d9489acfef3357f512d2e704593fa0ff6c0f377e1644dc6ca003e07 |
|---|---|
| Markdown | 125be9bc2066e2e6846fa344538ea923e6a2dadc1af829d627b1751a1248a3f6 |
| Publication page | 2ffeed9c3d9fc8c85f92b8cf56488647aff6db2c14cf68fca30cda9a50f55b01 |
| Manifest | 57673c7036733fd22791c7564e1562931fcf73e14769a1a1b654d7e942e66f70 |
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 | U9hrMCg1K+tMdwxJHcjE4CWjQJe0hKUDfQ+mlbVXOxCTwGoRDmqAXnBnSqy3Pz7MHmM74vLJPxOOQetDjXnnDA== |
| 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
| 2026-09-17T11:56:10.845570Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021019observed 2ffeed9c3d9fc8c85f92b8cf56488647...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:10.828219Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021019/manifest.jsonobserved 57673c7036733fd22791c7564e156293...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:10.806805Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021019/publication.mdobserved 125be9bc2066e2e6846fa344538ea923...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:10.789394Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021019/publication.txtobserved d812060e2d9489acfef3357f512d2e70...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. |
|---|