OT-2026-000029621
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000029621) never changes.
Identity and time
| Publication number | OT-2026-000029621 · never reused |
|---|---|
| Internal UUID | 01a0ae73-5e22-7e01-bed8-ab0981027319 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:51.545382Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029621 |
| Status | PUBLIC |
Content hashes
| Canonical text | 028d4b1b39b766f45d4248f7687bc4e4222189526fa597e352f24160cefa91b6 |
|---|---|
| Markdown | dc0e225b9cc36af26ee024594b46e3246340d4e0b6155b60312858b3d6884d0a |
| Publication page | 9b221d533adc6773c40e1dd92747fcafcd2523f04145362d37d16ac0d1eb5d76 |
| Manifest | 814f2ab5ceff24cf46310339a96ffb6caa46c1112d445db4098a862f81d7b687 |
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 | NnrgvwKgaOKMOu1OgiSBpYEKRl9zbinsZ4ILV+gHObL0TVCnoUghRe/y4DJbtiHEUaO3qdTOmI/rQCwHovpUBg== |
| 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
| 2026-11-03T20:41:32.428997Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029621observed 9b221d533adc6773c40e1dd92747fcaf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-03T20:41:32.381559Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029621/manifest.jsonobserved 814f2ab5ceff24cf46310339a96ffb6c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T20:41:32.334922Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029621/publication.mdobserved dc0e225b9cc36af26ee024594b46e324...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T20:41:32.245422Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029621/publication.txtobserved 028d4b1b39b766f45d4248f7687bc4e4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T04:23:44.366086Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029621observed 9b221d533adc6773c40e1dd92747fcaf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-03T04:23:44.339988Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029621/manifest.jsonobserved 814f2ab5ceff24cf46310339a96ffb6c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-03T04:23:44.305009Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029621/publication.mdobserved dc0e225b9cc36af26ee024594b46e324...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-03T04:23:44.053392Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029621/publication.txtobserved 028d4b1b39b766f45d4248f7687bc4e4...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 |
|---|