OT-2026-000021879
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000021879) never changes.
Identity and time
| Publication number | OT-2026-000021879 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-761b-80dc-bbb2fbd6ba9c · 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-2026-000021879 |
| Status | PUBLIC |
Content hashes
| Canonical text | 71833704aeaa6f9b9c1cbe2045cc35875b858800204030b2b6544cc8ff51d200 |
|---|---|
| Markdown | b42fbaace3f81a8d306528378062c01e9fd82c43c82f697b36cf58f81ce25074 |
| Publication page | d4c8025204d0a211fbcfd38568066392e1a5f0c948f1ce5efcc515812c16a627 |
| Manifest | 4d01f5fb7576055da28830e26ffdf8ea53195c696143236f7a7e8e9f4d707a56 |
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 | buu39hIQ9GEmwhfFzhefIzI+YVHIRC8OAo3wp2RU+QsiaBzkZgmlnfErA51DmZqKjOO6yYof3wr4QCGCMARuDw== |
| 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
| 2026-09-17T11:54:26.622297Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021879observed d4c8025204d0a211fbcfd38568066392...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:26.603866Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021879/manifest.jsonobserved 4d01f5fb7576055da28830e26ffdf8ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:26.586470Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021879/publication.mdobserved b42fbaace3f81a8d306528378062c01e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:26.568776Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021879/publication.txtobserved 71833704aeaa6f9b9c1cbe2045cc3587...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. |
|---|