OT-2026-000045943
Publication integrity record
Four cup vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, 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-2026-000045943) never changes.
Identity and time
| Publication number | OT-2026-000045943 · never reused |
|---|---|
| Internal UUID | 01a0ae7d-8f89-70f6-9889-237754fbd730 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:30:59.492045Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000045943 |
| Status | PUBLIC |
Content hashes
| Canonical text | d33cad05dab071348f57f4bcf9fbb48a3f964201b382d3b3d4114b1e3439bab7 |
|---|---|
| Markdown | b95cdc3eb1e7340751ff19e379bb7f7afcb8e0365140e13fdc1612f70129cc69 |
| Publication page | 1d146783fea4add48976a70076d623bb951169aa5b1e74f9314ccdcc8501c93d |
| Manifest | c03714f7d333f143ba23ce923830b70a465a5f60bfa46b82e71e1346f362cb43 |
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 | fTpB2Y5q5CFXpwqX4fIgiSbYHnXEs5izPmNBNp0YgaP+n7/cwARFh2935m2T1Ft1wOecxNVhyncIHYo9EYIZDg== |
| 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
| 2026-10-21T00:41:29.953859Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000045943observed 1d146783fea4add48976a70076d623bb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-21T00:41:29.901156Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000045943/manifest.jsonobserved c03714f7d333f143ba23ce923830b70a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T00:41:29.836501Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000045943/publication.mdobserved b95cdc3eb1e7340751ff19e379bb7f7a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T00:41:29.688709Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000045943/publication.txtobserved d33cad05dab071348f57f4bcf9fbb48a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T12:41:17.169645Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000045943observed 1d146783fea4add48976a70076d623bb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T12:41:17.045775Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000045943/manifest.jsonobserved c03714f7d333f143ba23ce923830b70a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T12:41:16.949260Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000045943/publication.mdobserved b95cdc3eb1e7340751ff19e379bb7f7a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T12:41:16.829624Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000045943/publication.txtobserved d33cad05dab071348f57f4bcf9fbb48a...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 |
|---|