OT-2026-000015903
Publication integrity record
Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pulsed blow-off before set-down
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-2026-000015903) never changes.
Identity and time
| Publication number | OT-2026-000015903 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-0c4d-7b49-8579-d80c5d681e82 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:02.846253Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000015903 |
| Status | PUBLIC |
Content hashes
| Canonical text | fd8ac2eb770551b9381ed05530d9f2b92d38b49430b7ca19d6650c5230bf86ae |
|---|---|
| Markdown | d930cf739448dea9afa809616fa80bf9cc5a1f78068d6e44daf2362168614b90 |
| Publication page | 92ad27ceb74c4f60ef84ef149695447c709d0862b326be31c77200340dc75be0 |
| Manifest | 13e60d8d44cf5956f95252dcdc9f8b20c352aebe2b827abb4c9699c437a73e6f |
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 | QCP0biDSdy/uKWdAeYpyjNkVqsEeKswyLkmHwkzgyFT5OVszEBpnbnOjDf9V0JFE6/OVtOW7JlpPCw/EllAnDA== |
| 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
| 2026-10-12T16:41:51.440232Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015903observed 92ad27ceb74c4f60ef84ef149695447c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-12T16:41:51.392753Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015903/manifest.jsonobserved 13e60d8d44cf5956f95252dcdc9f8b20...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T16:41:51.329721Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015903/publication.mdobserved d930cf739448dea9afa809616fa80bf9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T16:41:51.253312Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015903/publication.txtobserved fd8ac2eb770551b9381ed05530d9f2b9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T20:41:54.991173Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015903observed 92ad27ceb74c4f60ef84ef149695447c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T20:41:54.895703Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015903/manifest.jsonobserved 13e60d8d44cf5956f95252dcdc9f8b20...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T20:41:54.768786Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015903/publication.mdobserved d930cf739448dea9afa809616fa80bf9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T20:41:54.644673Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015903/publication.txtobserved fd8ac2eb770551b9381ed05530d9f2b9...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 |
|---|