OT-2026-000029226
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, plant vacuum 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-2026-000029226) never changes.
Identity and time
| Publication number | OT-2026-000029226 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2aa0-7cfb-a91f-4385d015b967 · 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-2026-000029226 |
| Status | PUBLIC |
Content hashes
| Canonical text | 97ef7612bb35eff4b7aab49640a0570d4d2d460b928bbab486bed455ee4187f4 |
|---|---|
| Markdown | 193bf56c9b04be0264174aa13d4ff99f01c3149080ecb95d7ca10666e4d11b07 |
| Publication page | 171e267b588f0c127b4aa9cfd93b50c16bb865086b4bd272c18c37d24d003cd6 |
| Manifest | 431f7d3c5a7b91a17a473cd6273cc952572ea631e9d6fd0921238ba353409cc2 |
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 | ce2yPiM3lodcm1cC2yHyHGRxbPuuxzR3sW7OOn+f4CtOKEhIeCwYka4Bt+iaGdXnVAO0HA8aoilB467Kc0tzBQ== |
| 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
| 2026-11-02T20:41:51.265852Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029226observed 171e267b588f0c127b4aa9cfd93b50c1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-02T20:41:51.182509Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029226/manifest.jsonobserved 431f7d3c5a7b91a17a473cd6273cc952...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T20:41:51.134732Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029226/publication.mdobserved 193bf56c9b04be0264174aa13d4ff99f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T20:41:51.082434Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029226/publication.txtobserved 97ef7612bb35eff4b7aab49640a0570d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T08:41:07.338173Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029226observed 171e267b588f0c127b4aa9cfd93b50c1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T08:41:07.283249Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029226/manifest.jsonobserved 431f7d3c5a7b91a17a473cd6273cc952...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T08:41:07.236804Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029226/publication.mdobserved 193bf56c9b04be0264174aa13d4ff99f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T08:41:07.088327Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029226/publication.txtobserved 97ef7612bb35eff4b7aab49640a0570d...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 |
|---|