OT-2026-000031975
Publication integrity record
Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000031975) never changes.
Identity and time
| Publication number | OT-2026-000031975 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad2-709d-a5e9-c21900d70939 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031975 |
| Status | PUBLIC |
Content hashes
| Canonical text | b78cc63d711f617cf66a2b311243e64fe7c73c48f453b48d0172eaea79850946 |
|---|---|
| Markdown | 6a52c52007aec2736463fe2f195102d4773d5c5e433a103ddd3101fa98ccd5da |
| Publication page | a879d2c8e1e8ebf4a7000ea4bc8c9a6313b755a36ed0c50b81d60c0e2433afb9 |
| Manifest | ba02e191fa27fdee2814c07b322532a9b6e2cf73a99d89370d2e1c7806e7b6a7 |
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 | r0MV/e/p6o/w7PeD1K+zAJrjuBccHSYo3kVKJkm5BcUm1InQRn1U08GXxsObwZkw1+A7B65hXzBXgAQYQLI+Cw== |
| 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
| 2026-10-30T16:41:38.569708Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031975observed a879d2c8e1e8ebf4a7000ea4bc8c9a63...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-30T16:41:38.494566Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031975/manifest.jsonobserved ba02e191fa27fdee2814c07b322532a9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T16:41:38.419372Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031975/publication.mdobserved 6a52c52007aec2736463fe2f195102d4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T16:41:38.319623Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031975/publication.txtobserved b78cc63d711f617cf66a2b311243e64f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T12:41:49.093216Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031975observed a879d2c8e1e8ebf4a7000ea4bc8c9a63...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T12:41:49.044763Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031975/manifest.jsonobserved ba02e191fa27fdee2814c07b322532a9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T12:41:48.996912Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031975/publication.mdobserved 6a52c52007aec2736463fe2f195102d4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T12:41:48.934855Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031975/publication.txtobserved b78cc63d711f617cf66a2b311243e64f...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 |
|---|