OT-2026-000017104
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down
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-2026-000017104) never changes.
Identity and time
| Publication number | OT-2026-000017104 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-76c7-7dd1-83db-89c341e81919 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:30.105855Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000017104 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0f0825b89fc0cc38a10a05d7855b3fde4acbfc24ef40c6291b2a6aa97d31c013 |
|---|---|
| Markdown | 86b773722c17571e75e4016ab94aa3387bb52c4e26f104740e38c143b1a19ce2 |
| Publication page | 511077a5d038313bab424e064b9deff7d883d2cc08d338800739d7cab2235774 |
| Manifest | 141872c24c45ca8fa989d5647d9af71d658743a7a64120bb5151d6f4ea5f1039 |
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 | GEMYd1589+fRrjd/pnH3PTqOWQ2EJwdyOO9zrnTUIH1NwjeZXzN6cYi6Ointb2+lwmL3DW1i5Gy7jmiRn8kcAw== |
| 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
| 2026-10-28T00:41:26.189841Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017104observed 511077a5d038313bab424e064b9deff7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-28T00:41:26.116451Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017104/manifest.jsonobserved 141872c24c45ca8fa989d5647d9af71d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T00:41:26.041673Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017104/publication.mdobserved 86b773722c17571e75e4016ab94aa338...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T00:41:25.944429Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017104/publication.txtobserved 0f0825b89fc0cc38a10a05d7855b3fde...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T16:41:11.992659Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017104observed 511077a5d038313bab424e064b9deff7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T16:41:11.915240Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017104/manifest.jsonobserved 141872c24c45ca8fa989d5647d9af71d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T16:41:11.865296Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017104/publication.mdobserved 86b773722c17571e75e4016ab94aa338...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T16:41:11.710768Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017104/publication.txtobserved 0f0825b89fc0cc38a10a05d7855b3fde...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 |
|---|