OT-2026-000049857
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000049857) never changes.
Identity and time
| Publication number | OT-2026-000049857 · never reused |
|---|---|
| Internal UUID | 01a0ae81-fd75-7797-a2e8-1ef7650d8c3b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:35:49.774136Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000049857 |
| Status | PUBLIC |
Content hashes
| Canonical text | ccd0006a433a685d30ed7a784e6b1decf837e4122e2261dbd3859f4e3c743657 |
|---|---|
| Markdown | dc429053a07b5f56003378386c165377c52a279713f8dd10ebc47d1a68c75130 |
| Publication page | ab84ed06ca883ca806658d57466e450c9c5d1b1c830cc97c92c6de83c3f2efcd |
| Manifest | 27401e66b2317ec194ef4058fc2d8b105b5374f209a017b0d9b265bcd85dd1c6 |
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 | sbwlF4tG61DGsj1OShqsxtL4LjpsxDDcc687eI+/Ql2Hijj9t7H5Tb8ygDg9jHhy3ee3/8DbWJGQoh5hFz1JBQ== |
| 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
| 2026-10-19T04:41:46.790264Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049857observed ab84ed06ca883ca806658d57466e450c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-19T04:41:46.697322Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049857/manifest.jsonobserved 27401e66b2317ec194ef4058fc2d8b10...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T04:41:46.614042Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049857/publication.mdobserved dc429053a07b5f56003378386c165377...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T04:41:46.534439Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049857/publication.txtobserved ccd0006a433a685d30ed7a784e6b1dec...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T20:41:49.248206Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049857observed ab84ed06ca883ca806658d57466e450c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T20:41:49.196154Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049857/manifest.jsonobserved 27401e66b2317ec194ef4058fc2d8b10...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T20:41:49.129368Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049857/publication.mdobserved dc429053a07b5f56003378386c165377...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T20:41:48.942641Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049857/publication.txtobserved ccd0006a433a685d30ed7a784e6b1dec...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 |
|---|