OT-2026-000048023
Publication integrity record
Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, pulsed 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-2026-000048023) never changes.
Identity and time
| Publication number | OT-2026-000048023 · never reused |
|---|---|
| Internal UUID | 01a0ae7f-c423-7306-8a6c-fb484560e04a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:33:24.028554Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000048023 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7dcef0205ee9f2e1707c7656a89b4071445d743678712c34edeee6329f748a33 |
|---|---|
| Markdown | 7a767662be6238b4bf7eae6c6ce05e38a759b6ec62b75d7dc900dbed014b9db6 |
| Publication page | 50c804648133ac89b29c3156ed8872c7f60e163f1c334b09148c3eb59481f08a |
| Manifest | dedcd991a8a0b580dc0ed5bc2f26b0b719471c4be1f5a9607943f0639e2e1ac0 |
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 | 99w+b7m1w1O2zFOLhdmt4S9lQGKXuZdHJ2kt2qz0YVE86VkdLl+AjCeAk8IjAOXJW4ysmwiQHj/IAFB8c7cTCA== |
| 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
| 2026-11-03T04:42:05.960562Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048023observed 50c804648133ac89b29c3156ed8872c7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-03T04:42:05.889495Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048023/manifest.jsonobserved dedcd991a8a0b580dc0ed5bc2f26b0b7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T04:42:05.806085Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048023/publication.mdobserved 7a767662be6238b4bf7eae6c6ce05e38...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T04:42:05.716340Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048023/publication.txtobserved 7dcef0205ee9f2e1707c7656a89b4071...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T20:41:56.210726Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048023observed 50c804648133ac89b29c3156ed8872c7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T20:41:56.128990Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048023/manifest.jsonobserved dedcd991a8a0b580dc0ed5bc2f26b0b7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T20:41:56.033110Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048023/publication.mdobserved 7a767662be6238b4bf7eae6c6ce05e38...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T20:41:55.949881Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048023/publication.txtobserved 7dcef0205ee9f2e1707c7656a89b4071...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 |
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