OT-2026-000029029
Publication integrity record
Two cup vacuum gripper, two outlet manifold, pump 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-2026-000029029) never changes.
Identity and time
| Publication number | OT-2026-000029029 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9e-7a0f-ad8c-a1e19f2038f8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029029 |
| Status | PUBLIC |
Content hashes
| Canonical text | d2c0a747cc7d595de41febc6888f63d5930a93f6d84538b523c92a70b52e5258 |
|---|---|
| Markdown | 571e733b8dae81d7e6cd4be3cdf036b35af2e36bf59d3589f59f713f3977c3c3 |
| Publication page | 5c8fe0ca8fa7e74761b72723e5b083a253ee00a4921a5e3eff5d47bafe550cce |
| Manifest | 482baa30c56c50d55d7a1cf196a0ab5fef5b1759ef735822dfbecd20c0f4f44d |
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 | c6eMR/IgnbgjrM7pogQ+dnkn13lYTkNpgsIuQGb+OpeX+uN7nGB1x3NIh30wuROpP5FdYvrOtJzvYgUPUOD0Cg== |
| 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
| 2026-10-30T08:41:31.524150Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029029observed 5c8fe0ca8fa7e74761b72723e5b083a2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-30T08:41:31.476796Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029029/manifest.jsonobserved 482baa30c56c50d55d7a1cf196a0ab5f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T08:41:31.419406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029029/publication.mdobserved 571e733b8dae81d7e6cd4be3cdf036b3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T08:41:31.329569Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029029/publication.txtobserved d2c0a747cc7d595de41febc6888f63d5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T00:42:13.571847Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029029observed 5c8fe0ca8fa7e74761b72723e5b083a2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T00:42:13.492847Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029029/manifest.jsonobserved 482baa30c56c50d55d7a1cf196a0ab5f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T00:42:13.403111Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029029/publication.mdobserved 571e733b8dae81d7e6cd4be3cdf036b3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T00:42:13.304663Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029029/publication.txtobserved d2c0a747cc7d595de41febc6888f63d5...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 |
|---|