OT-2026-000019041
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000019041) never changes.
Identity and time
| Publication number | OT-2026-000019041 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-d523-7aca-a028-8c2a6265e0d4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:54.261386Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019041 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6ad719b3279ccf688a48c533ad6d02675aaae897a46de43f01f929d301bee520 |
|---|---|
| Markdown | 254855b459cc8d38d56d7e26ee21ea12154235e89d34b9a390ff1b0cb4578827 |
| Publication page | 6a003da17ee01dc078e257921ccde6c18b91d837f60b1eedd42b82774332315b |
| Manifest | 117be0997c1f28cb51e1932640bd4568edbd059aaf937d9b4b2f06fc4fea78ec |
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 | Xe9mGu7Emd0IfGhGbHODudFcYbLaYxBO7Awz8h+V7GTNIcYnGCqMSDEgRTHuBxSv5tvcXECWi+PrtOMTQx0eDA== |
| 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... |
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Independent retrieval
| 2026-10-29T16:41:56.295132Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019041observed 6a003da17ee01dc078e257921ccde6c1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T16:41:56.220506Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019041/manifest.jsonobserved 117be0997c1f28cb51e1932640bd4568...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T16:41:56.148936Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019041/publication.mdobserved 254855b459cc8d38d56d7e26ee21ea12...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T16:41:56.074722Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019041/publication.txtobserved 6ad719b3279ccf688a48c533ad6d0267...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T08:43:19.405592Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019041observed 6a003da17ee01dc078e257921ccde6c1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T08:43:19.220378Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019041/manifest.jsonobserved 117be0997c1f28cb51e1932640bd4568...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T08:43:19.049282Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019041/publication.mdobserved 254855b459cc8d38d56d7e26ee21ea12...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T08:43:18.721383Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019041/publication.txtobserved 6ad719b3279ccf688a48c533ad6d0267...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 |
|---|