OT-2026-000091630
Publication integrity record
Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091630) never changes.
Identity and time
| Publication number | OT-2026-000091630 · never reused |
|---|---|
| Internal UUID | 01a0ae9d-43b8-7578-9384-e1845aa59a6f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:37.256105Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000091630 |
| Status | PUBLIC |
Content hashes
| Canonical text | afc287ff41d0a3a4a7aa6404888a5e004d2d8d9c79807425bb06d151bf6a04e3 |
|---|---|
| Markdown | 67715f8413c4d2f74b09023a42ab8d8e2d1a10fc183d9ffad4decd50013f437d |
| Publication page | 1a64c5aaf0d1eca388b61eb06e866bc72ea41288170c7d6f4937dea13cebe443 |
| Manifest | 86e96b1fc98a270d5f92060e59de7b8096d40d85e98845976f5440380d742e40 |
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 | qv6HUO60HStrTOcv6jN+D+6it/cEZeTjtroIFj7/SGkB7X61fImDIJ2MGlwkJ5lTm/zLMUgjLM+tq2qqNZ5EDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-04T04:41:49.627421Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091630observed 1a64c5aaf0d1eca388b61eb06e866bc7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-04T04:41:49.572247Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091630/manifest.jsonobserved 86e96b1fc98a270d5f92060e59de7b80...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T04:41:49.503145Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091630/publication.mdobserved 67715f8413c4d2f74b09023a42ab8d8e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T04:41:49.352273Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091630/publication.txtobserved afc287ff41d0a3a4a7aa6404888a5e00...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T12:41:57.935630Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091630observed 1a64c5aaf0d1eca388b61eb06e866bc7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T12:41:57.662184Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091630/manifest.jsonobserved 86e96b1fc98a270d5f92060e59de7b80...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T12:41:57.428374Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091630/publication.mdobserved 67715f8413c4d2f74b09023a42ab8d8e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T12:41:56.905854Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091630/publication.txtobserved afc287ff41d0a3a4a7aa6404888a5e00...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|