OT-2026-000022123
Publication integrity record
Foam pad vacuum gripper, three zone face, common isolation valve, two 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-2026-000022123) never changes.
Identity and time
| Publication number | OT-2026-000022123 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-f4fb-79c2-b1ed-e8f1d2f78e52 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:07.953226Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022123 |
| Status | PUBLIC |
Content hashes
| Canonical text | ee8b7f99fd9f38cb874c92df70ee514ebcad1550ea3bbcbbf78aa345767995b4 |
|---|---|
| Markdown | 30fcfa33bc55d91c10f22d9505b2e2e9ddfecabaf3292f1af4d19c5d30a764fb |
| Publication page | bbe20f59e80b3a86e5d926eb06b6d29475dae6e567b5431a962e1353a91ac596 |
| Manifest | ffa304eb7b4ae479e50af31a8d3250df06ba10f9566bed11a613f599e8f52295 |
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 | Z81TKWY+RR1CW4Vly8s67F0UPyfiX3hEpe05oabv5MBkw2QB/nsLyKi4HEU1sPrUfK6ATp3sl5LsjiyOgyQiAw== |
| 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
| 2026-10-20T00:41:05.047894Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022123observed bbe20f59e80b3a86e5d926eb06b6d294...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-20T00:41:04.980574Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022123/manifest.jsonobserved ffa304eb7b4ae479e50af31a8d3250df...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T00:41:04.877250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022123/publication.mdobserved 30fcfa33bc55d91c10f22d9505b2e2e9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T00:41:04.728218Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022123/publication.txtobserved ee8b7f99fd9f38cb874c92df70ee514e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:23:36.995371Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022123observed bbe20f59e80b3a86e5d926eb06b6d294...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:23:36.979158Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022123/manifest.jsonobserved ffa304eb7b4ae479e50af31a8d3250df...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:23:36.940082Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022123/publication.mdobserved 30fcfa33bc55d91c10f22d9505b2e2e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:23:36.827038Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022123/publication.txtobserved ee8b7f99fd9f38cb874c92df70ee514e...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|