OT-2026-000076903
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer
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-2026-000076903) never changes.
Identity and time
| Publication number | OT-2026-000076903 · never reused |
|---|---|
| Internal UUID | 01a0ae94-b070-78fc-b411-dcddb900d094 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:15.236414Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000076903 |
| Status | PUBLIC |
Content hashes
| Canonical text | f6cd302d534eb5f6e363b65aa82c6262a51866cf36520367e098bd66375d9d96 |
|---|---|
| Markdown | e2598897be3a428222cefadeb4e7882d60977ad498d81063b88207fc7d966df4 |
| Publication page | 9c00ff5f31eff0d47a7baf6c1d5df3ed21536593ccd9284d3a461d301fece426 |
| Manifest | 8d655d2bd004872624a2d33ab6db25d183128b4a1e27cf584c9add6d04c46461 |
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 | tHpLdwkWLmRlwB96t7PS8AQ+faiYLhCJYmXYfWZ0rGLrj5x8OGCqpYt86MdOanZqlqHIYXSh1zuF614M7zeUCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-24T12:41:38.813783Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076903observed 9c00ff5f31eff0d47a7baf6c1d5df3ed...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-24T12:41:38.725079Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076903/manifest.jsonobserved 8d655d2bd004872624a2d33ab6db25d1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T12:41:38.604381Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076903/publication.mdobserved e2598897be3a428222cefadeb4e7882d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T12:41:38.438415Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076903/publication.txtobserved f6cd302d534eb5f6e363b65aa82c6262...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:42:26.676073Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076903observed 9c00ff5f31eff0d47a7baf6c1d5df3ed...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:42:26.267789Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076903/manifest.jsonobserved 8d655d2bd004872624a2d33ab6db25d1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:42:25.909654Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076903/publication.mdobserved e2598897be3a428222cefadeb4e7882d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T04:42:25.621020Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076903/publication.txtobserved f6cd302d534eb5f6e363b65aa82c6262...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 |
|---|