OT-2026-000025787
Publication integrity record
Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000025787) never changes.
Identity and time
| Publication number | OT-2026-000025787 · never reused |
|---|---|
| Internal UUID | 01a0ae71-a83e-7acf-9e6b-64064a0bd0cc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:17:59.376802Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000025787 |
| Status | PUBLIC |
Content hashes
| Canonical text | 74da6e2fb139dc5075775dcf0c656ec31b4aa6e9d7d9f345d540cddefb72e7fe |
|---|---|
| Markdown | 6bea3298088fdb08708d7ea46e293f58e76fdbf24ea1d6904305a3aac56ab6e9 |
| Publication page | 3c70990db47b237755db54536c0f6bfa3f757dcd79c461156b89c3915e9a69a4 |
| Manifest | 55067271b3e1bd4909a66674381c9c3077a8f21908e51483ffdbd02dbde69622 |
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 | cePdBbA4JXyWjxSIbqnuicG5kFXTL8+z6x/4Y3vRK9NA2gM3E6PK6M0qDqYe8wHYdrrdbk9tdqKKt+uZAUDdCQ== |
| 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
| 2026-11-03T08:41:30.564101Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025787observed 3c70990db47b237755db54536c0f6bfa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-03T08:41:30.434545Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025787/manifest.jsonobserved 55067271b3e1bd4909a66674381c9c30...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T08:41:30.386058Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025787/publication.mdobserved 6bea3298088fdb08708d7ea46e293f58...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T08:41:30.307313Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025787/publication.txtobserved 74da6e2fb139dc5075775dcf0c656ec3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T20:41:40.643962Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025787observed 3c70990db47b237755db54536c0f6bfa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T20:41:40.540307Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025787/manifest.jsonobserved 55067271b3e1bd4909a66674381c9c30...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T20:41:40.478692Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025787/publication.mdobserved 6bea3298088fdb08708d7ea46e293f58...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T20:41:40.340763Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025787/publication.txtobserved 74da6e2fb139dc5075775dcf0c656ec3...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 |
|---|