OT-2026-000071531
Publication integrity record
Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000071531) never changes.
Identity and time
| Publication number | OT-2026-000071531 · never reused |
|---|---|
| Internal UUID | 01a0ae91-e0ee-7a95-a809-ce2e6cf2cc28 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:11.039722Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000071531 |
| Status | PUBLIC |
Content hashes
| Canonical text | 30ce0cc09a558652fd034eed42f389ca8f2fb0959241bad0bb18932f48ce56a3 |
|---|---|
| Markdown | 82b32615946a5e919fed73716f83a5a6d4a3557b69ce2fddeb0c5a829f631c95 |
| Publication page | b80a0d6d40f5d421546ff36d83e58a241b82fe56b7057d2020705850a52f62ac |
| Manifest | e90b1a8349a5ff334479fa3afd79ab314e4079da73eec08ad265871247619d76 |
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 | pybiBIH6XiyaZmk6NEuTIx7lgOByOeu6ygFIf/7Y7pYZj+I/WqJBAe1YS3wXH14TiU4o0dgIlk6siDmUt8QJCQ== |
| 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
| 2026-10-16T04:41:03.788005Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071531observed b80a0d6d40f5d421546ff36d83e58a24...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-16T04:41:03.713796Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071531/manifest.jsonobserved e90b1a8349a5ff334479fa3afd79ab31...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T04:41:03.639520Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071531/publication.mdobserved 82b32615946a5e919fed73716f83a5a6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T04:41:03.561527Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071531/publication.txtobserved 30ce0cc09a558652fd034eed42f389ca...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T12:41:46.617911Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071531observed b80a0d6d40f5d421546ff36d83e58a24...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T12:41:46.464256Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071531/manifest.jsonobserved e90b1a8349a5ff334479fa3afd79ab31...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T12:41:46.283154Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071531/publication.mdobserved 82b32615946a5e919fed73716f83a5a6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T12:41:46.063974Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071531/publication.txtobserved 30ce0cc09a558652fd034eed42f389ca...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 |
|---|