OT-2026-000021749
Publication integrity record
Four cup vacuum gripper, four 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-2026-000021749) never changes.
Identity and time
| Publication number | OT-2026-000021749 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-72c5-84a9-2e29df4b386c · 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-2026-000021749 |
| Status | PUBLIC |
Content hashes
| Canonical text | 54faf5c602ee64328105313575a77a2bbcf0c625aad5b16e8515ee50a0add1bf |
|---|---|
| Markdown | 0c8add1ddc43de3797ff12131dc168671cedef0d32fef121909dc852a2e0dfde |
| Publication page | 051a08c7c6d92537dbac5622cd678f227ee003ceb77aea0899587b69f1c55cd3 |
| Manifest | ce662d9c7ec9430d5c415a4382acca238951ad0f68af5b5f6ab51fd764099e62 |
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 | eOw/iX7s7hSwp7QXuCHmOTfUNWKGI0piLVEmCjSsHBvNgzlFLQoZT7qQviMdYTMswr3toyYeZZToC5xGpKm2BQ== |
| 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
| 2026-09-17T11:54:17.394605Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021749observed 051a08c7c6d92537dbac5622cd678f22...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:17.377488Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021749/manifest.jsonobserved ce662d9c7ec9430d5c415a4382acca23...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:17.344130Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021749/publication.mdobserved 0c8add1ddc43de3797ff12131dc16867...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:17.310386Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021749/publication.txtobserved 54faf5c602ee64328105313575a77a2b...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. |
|---|