OT-2026-000009649
Publication integrity record
Foam pad vacuum gripper, four zone face, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000009649) never changes.
Identity and time
| Publication number | OT-2026-000009649 · never reused |
|---|---|
| Internal UUID | 01a0ae6b-7563-704d-ac06-1ebb265ad88c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:11:13.151287Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000009649 |
| Status | PUBLIC |
Content hashes
| Canonical text | d2fc7cd291d5de7a1668fcc5b28ed9e44395bb13830ca99849b7ff6eb90c7f6b |
|---|---|
| Markdown | 56fcd97565c2ffe7396cf6c12820a9aba1e999cf1be6fdf8cc68514bedf95b6d |
| Publication page | 5318a069d156a102f98cba3a054936f6b6e7d797a8dad5522147444477e4d166 |
| Manifest | 3c9a4669610be19d11c1fd3ccd8a9ad06a72c176773d9c44e39d8b68e9937a4e |
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 | jb85LkyX25wnxYea7O86KJBAB/GvsN6I79/NI0adoMQXHVMApaEqhOxdJh597yq2W6JEociosGHOL3iv6bSxAg== |
| 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
| 2026-10-08T20:41:24.525601Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000009649observed 5318a069d156a102f98cba3a054936f6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-08T20:41:24.445186Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000009649/manifest.jsonobserved 3c9a4669610be19d11c1fd3ccd8a9ad0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T20:41:24.342150Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000009649/publication.mdobserved 56fcd97565c2ffe7396cf6c12820a9ab...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T20:41:24.244540Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000009649/publication.txtobserved d2fc7cd291d5de7a1668fcc5b28ed9e4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T12:42:01.822301Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000009649observed 5318a069d156a102f98cba3a054936f6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T12:42:01.737608Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000009649/manifest.jsonobserved 3c9a4669610be19d11c1fd3ccd8a9ad0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T12:42:01.676698Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000009649/publication.mdobserved 56fcd97565c2ffe7396cf6c12820a9ab...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T12:42:01.617152Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000009649/publication.txtobserved d2fc7cd291d5de7a1668fcc5b28ed9e4...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 |
|---|