OT-2026-000021553
Publication integrity record
Single cup vacuum gripper, pump fed, sustained blow-off before set-down
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-2026-000021553) never changes.
Identity and time
| Publication number | OT-2026-000021553 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7c01-afc4-cdbfcd41c1e7 · 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-2026-000021553 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4a18a100acccb536ad4c8e94420de34c2ee833d59f52cbd2f0d38935cf50bd5c |
|---|---|
| Markdown | 9924c4fccf35fd5ef03664285b4b01554c62c76e49e563fd23400d1a99928685 |
| Publication page | dc971e72539711e021b786c4e71c4f07ad0e530332ffecf8679af49287519676 |
| Manifest | 820307b1b1dbbd4b9ebe5bdc75f3b7e915abcd9f0023430005882f01eb7f3460 |
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 | NwPiud4IcQaFp0zhkayDNyYvUgod0AbcLQLwv3N7NgZbqS1ge1R8a1PLIS8p9VSUhey912SIUDzUqr+7u6T5AA== |
| 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
| 2026-09-17T11:55:28.535327Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021553observed dc971e72539711e021b786c4e71c4f07...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:28.516713Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021553/manifest.jsonobserved 820307b1b1dbbd4b9ebe5bdc75f3b7e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:28.487295Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021553/publication.mdobserved 9924c4fccf35fd5ef03664285b4b0155...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:28.464241Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021553/publication.txtobserved 4a18a100acccb536ad4c8e94420de34c...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. |
|---|