OT-2026-000009893
Publication integrity record
Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000009893) never changes.
Identity and time
| Publication number | OT-2026-000009893 · never reused |
|---|---|
| Internal UUID | 01a0ae6b-cb78-7e11-b736-8aa5c27f6135 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:11:35.184400Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000009893 |
| Status | PUBLIC |
Content hashes
| Canonical text | 029cfb5c22908fbf42ebd51ca4ec6ff76d4fd95476ae4817b192899a583caa79 |
|---|---|
| Markdown | 0574b12629a9a396fa1485a60f7bfe3cb94b5a5fb1323b0a337d1dba6b3051e9 |
| Publication page | 1adff241c7b03ec0f08d4184f51c41484db4b23006e2b653e65eb937a49a7883 |
| Manifest | b9f831fdf525043136489b2fddb4ada094ff7180a5a360fa48661188ad75170a |
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 | WCxgy3/shBNZpTLaiVnjyJb5rNxUv9SvE9wNE0G03bijRSC24jzHtDQCd7TRjmjgcsqUI7NJ/L9vgklFCufvCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:27:08Z batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof root 20fdfaa98ae3657e4211fd7783095876... |
|---|
Independent retrieval
| 2026-10-03T12:41:32.166866Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000009893observed 1adff241c7b03ec0f08d4184f51c4148...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-03T12:41:32.119548Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000009893/manifest.jsonobserved b9f831fdf525043136489b2fddb4ada0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T12:41:32.071664Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000009893/publication.mdobserved 0574b12629a9a396fa1485a60f7bfe3c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T12:41:31.962126Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000009893/publication.txtobserved 029cfb5c22908fbf42ebd51ca4ec6ff7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T16:41:35.347519Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000009893observed 1adff241c7b03ec0f08d4184f51c4148...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T16:41:35.283445Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000009893/manifest.jsonobserved b9f831fdf525043136489b2fddb4ada0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T16:41:35.231835Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000009893/publication.mdobserved 0574b12629a9a396fa1485a60f7bfe3c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T16:41:35.134215Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000009893/publication.txtobserved 029cfb5c22908fbf42ebd51ca4ec6ff7...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 |
|---|