OT-2026-000021901
Publication integrity record
Three cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000021901) never changes.
Identity and time
| Publication number | OT-2026-000021901 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-7edc-88e1-9b9d25ea3d81 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021901 |
| Status | PUBLIC |
Content hashes
| Canonical text | e99bf0860458f6a1468b2074930f9f7becbad00b13399f665f79493271462c27 |
|---|---|
| Markdown | fc2a604b6f3dfd64d095d266f16ad840953895b8d3c5c96810fd02474b09bb15 |
| Publication page | 8206b60e68b1a05d94173d6c6a4ff018b8186e10db7dfcae61cb033a37449ef5 |
| Manifest | 5d61d5b96407af7e4f978b156e9b88b380441d66c600fdf51deebe7ac51d2d1b |
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 | o2HYr9aarBboPuatbGZqWbcRjQHHUo2snQ3sHM2jCHVlUD4dLiSogq183fZOAh5uvWIlSrFo1IKo32uc2TwyCw== |
| 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
| 2026-09-17T11:54:28.253951Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021901observed 8206b60e68b1a05d94173d6c6a4ff018...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:28.235716Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021901/manifest.jsonobserved 5d61d5b96407af7e4f978b156e9b88b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:28.220327Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021901/publication.mdobserved fc2a604b6f3dfd64d095d266f16ad840...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:28.202448Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021901/publication.txtobserved e99bf0860458f6a1468b2074930f9f7b...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. |
|---|