OT-2026-000053958
Publication integrity record
Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000053958) never changes.
Identity and time
| Publication number | OT-2026-000053958 · never reused |
|---|---|
| Internal UUID | 01a0ae85-b3a7-7067-8131-9d93fb695367 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:53.019909Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053958 |
| Status | PUBLIC |
Content hashes
| Canonical text | 430c247463db8fe6e2ae5e6ccf0ff125965cd5de67b0cce52f579d122359cceb |
|---|---|
| Markdown | 8b213df668bee577ab1371ab2896b25fdfc3fd1af8b961f0ac91000b8f5ef340 |
| Publication page | a531d0e7b36118f567e51add67600f692066983be5296e287558602021dd0eec |
| Manifest | 86f90f81e5dc7e98df68fa8879d96a01601df4115678836059493ab510275fc3 |
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 | 6ZEUlytKdDtXx8GAKEY8q4nyn0JsJNcW72bhRIxEAKJu/+ds6CouUPETNcAm+ldhZr4bb0fr2glr2UjrZbUFAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-10-20T20:41:40.931888Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053958observed a531d0e7b36118f567e51add67600f69...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-20T20:41:40.842204Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053958/manifest.jsonobserved 86f90f81e5dc7e98df68fa8879d96a01...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T20:41:40.789027Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053958/publication.mdobserved 8b213df668bee577ab1371ab2896b25f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T20:41:40.663052Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053958/publication.txtobserved 430c247463db8fe6e2ae5e6ccf0ff125...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T16:41:42.481454Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053958observed a531d0e7b36118f567e51add67600f69...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T16:41:42.403377Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053958/manifest.jsonobserved 86f90f81e5dc7e98df68fa8879d96a01...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T16:41:42.281164Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053958/publication.mdobserved 8b213df668bee577ab1371ab2896b25f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T16:41:42.173765Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053958/publication.txtobserved 430c247463db8fe6e2ae5e6ccf0ff125...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 |
|---|