OT-2026-000042564
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, pulsed blow-off after 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-2026-000042564) never changes.
Identity and time
| Publication number | OT-2026-000042564 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0cd-7651-934e-1d5544f961f9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042564 |
| Status | PUBLIC |
Content hashes
| Canonical text | 433e76efaa3d08957ae6b075bf5cd8ddb2170463f7b129d156f632f45d4e73d6 |
|---|---|
| Markdown | 6b40ea9384582067970a1def5514f6ac23f4b76282029a12fb066312bb84de12 |
| Publication page | a408e69231226f475dccaae31168507cfb05deddd7f6754bed16bbd518292b9c |
| Manifest | 1e8c744de7f9180a5492796043956e0b9a50c740501845bdf87a98d61425306d |
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 | yEYFN3seYtZuMRX3xj1gorG5F0Vk0cOnBLc0KvlFtuR4PfVNoqoI7mZYMUEGhWk5Sn3RxEoYsh2jImuEW+YJCA== |
| 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... |
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Independent retrieval
| 2026-10-13T04:41:45.096921Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042564observed a408e69231226f475dccaae31168507c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-13T04:41:45.039358Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042564/manifest.jsonobserved 1e8c744de7f9180a5492796043956e0b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:41:44.962492Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042564/publication.mdobserved 6b40ea9384582067970a1def5514f6ac...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:41:44.863934Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042564/publication.txtobserved 433e76efaa3d08957ae6b075bf5cd8dd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:41:09.697566Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042564observed a408e69231226f475dccaae31168507c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:41:09.607655Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042564/manifest.jsonobserved 1e8c744de7f9180a5492796043956e0b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:41:09.498214Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042564/publication.mdobserved 6b40ea9384582067970a1def5514f6ac...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:41:09.208134Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042564/publication.txtobserved 433e76efaa3d08957ae6b075bf5cd8dd...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. |
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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 |
|---|