OT-2026-000013279
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, single 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-2026-000013279) never changes.
Identity and time
| Publication number | OT-2026-000013279 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-6fc9-7dcf-a507-3e6c6b487b0c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:22.837188Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013279 |
| Status | PUBLIC |
Content hashes
| Canonical text | b7f7488a771f1aa9aa8dbe80e7498b64f7c1de8d2bd2ce04812d877fcd668271 |
|---|---|
| Markdown | f0cbb413b36c055404d8080aa2447d0043f2db7529b9a4986975e8466afe8cd2 |
| Publication page | 56b153a0a4583f556aa714aa871e6a6cb546e6f1d32f7f327954c721f53ccf40 |
| Manifest | d1476bc2074e2408fecc0dc46e340738db8beed7be386114c689be9b9f64d332 |
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 | hNLQPKsGGQuqbVSjYKfr/qQjkkZBq4tH6X0LKrs/EBeK2YU0uOSkcJQMZCMLKIjqdMCdxyB6S3W2tmCYtesaDw== |
| 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
| 2026-10-27T20:41:48.118181Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013279observed 56b153a0a4583f556aa714aa871e6a6c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-27T20:41:48.024957Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013279/manifest.jsonobserved d1476bc2074e2408fecc0dc46e340738...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T20:41:47.961838Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013279/publication.mdobserved f0cbb413b36c055404d8080aa2447d00...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T20:41:47.864545Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013279/publication.txtobserved b7f7488a771f1aa9aa8dbe80e7498b64...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:23:39.075977Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013279observed 56b153a0a4583f556aa714aa871e6a6c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:23:39.049200Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013279/manifest.jsonobserved d1476bc2074e2408fecc0dc46e340738...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:23:39.033491Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013279/publication.mdobserved f0cbb413b36c055404d8080aa2447d00...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:23:39.004403Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013279/publication.txtobserved b7f7488a771f1aa9aa8dbe80e7498b64...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
| 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 |
|---|