OT-2026-000021830
Publication integrity record
Foam pad vacuum gripper, common isolation valve, plant vacuum fed, sustained 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-2026-000021830) never changes.
Identity and time
| Publication number | OT-2026-000021830 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-7eb2-928d-46c65cea7701 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021830 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0ff2bd6399f51adabae6ad97b80136f1642fefb494d41914ffa3cb12f94dfb25 |
|---|---|
| Markdown | f35143d8c1b71dc32135a05a2887153f64335a5662c6523673f6a12182ac57a8 |
| Publication page | 0ae2eb69dbb51ab241a2b3484f2af0d4de634bc5b5a4d8959772c171d7bb59b6 |
| Manifest | 335e17d8d0dc9a10db32896a99496bdc71fa995e00cf7a632bea74d04d315a63 |
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 | oKaPEqPL6GGB+6rG4ZLoQhn3l4RicUtjqw5i/+DXL0bBnwifdTDQcT03gWgPvwov2t7AH9DFulfnXafHrHuoCQ== |
| 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
| 2026-09-17T20:44:16.436301Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021830observed 0ae2eb69dbb51ab241a2b3484f2af0d4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T20:44:16.278003Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021830/manifest.jsonobserved 335e17d8d0dc9a10db32896a99496bdc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T20:44:16.109029Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021830/publication.mdobserved f35143d8c1b71dc32135a05a2887153f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T20:44:15.935443Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021830/publication.txtobserved 0ff2bd6399f51adabae6ad97b80136f1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:07.429369Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021830observed 0ae2eb69dbb51ab241a2b3484f2af0d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:07.407617Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021830/manifest.jsonobserved 335e17d8d0dc9a10db32896a99496bdc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:07.389991Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021830/publication.mdobserved f35143d8c1b71dc32135a05a2887153f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:07.372265Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021830/publication.txtobserved 0ff2bd6399f51adabae6ad97b80136f1...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
| Custody package | Pending Custody packages are produced weekly. |
|---|