OT-2026-000031121
Publication integrity record
Three cup vacuum gripper, three outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000031121) never changes.
Identity and time
| Publication number | OT-2026-000031121 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87aa-70d6-91d9-08162bbdb749 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031121 |
| Status | PUBLIC |
Content hashes
| Canonical text | 61f733bf78f3bfdcd6ce5f8bdb0f2f0443be46e28f475813bd58aea94cde53cd |
|---|---|
| Markdown | 6e517baa64c8fae4a52a3dc44f937d0b10e6dc846aeb28f61c3253f6d178df58 |
| Publication page | ecfac72922ed593ad7cc00e709386a14e04126697312e2004964facf2f012f30 |
| Manifest | 5fc14f352e0ea8fc2d0bc73a7a9c6b4922eb63ba3512288691b754adbaccf7ff |
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 | 6v13xlwEpmDlyTk4xlybcxgzufo7dP0C/6lkE2hq11hlJCYfX39izVg6eAklI6oGYG496uONslzpo78d/o+0CQ== |
| 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
| 2026-10-26T12:41:03.797498Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031121observed ecfac72922ed593ad7cc00e709386a14...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-26T12:41:03.699325Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031121/manifest.jsonobserved 5fc14f352e0ea8fc2d0bc73a7a9c6b49...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T12:41:03.644726Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031121/publication.mdobserved 6e517baa64c8fae4a52a3dc44f937d0b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T12:41:03.533800Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031121/publication.txtobserved 61f733bf78f3bfdcd6ce5f8bdb0f2f04...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T04:41:16.178705Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031121observed ecfac72922ed593ad7cc00e709386a14...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T04:41:16.103784Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031121/manifest.jsonobserved 5fc14f352e0ea8fc2d0bc73a7a9c6b49...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T04:41:15.973618Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031121/publication.mdobserved 6e517baa64c8fae4a52a3dc44f937d0b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T04:41:15.862390Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031121/publication.txtobserved 61f733bf78f3bfdcd6ce5f8bdb0f2f04...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 |
|---|