OT-2026-000038152
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000038152) never changes.
Identity and time
| Publication number | OT-2026-000038152 · never reused |
|---|---|
| Internal UUID | 01a0ae77-f88c-7631-bdb1-bddc1442af40 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:24:53.146436Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000038152 |
| Status | PUBLIC |
Content hashes
| Canonical text | 27e6a7208f601d23be7aaeba78ed9a47b478abfba1d48cbc64edf47ead7e9aec |
|---|---|
| Markdown | 43383b68a73c32cf5c4a24246f13bd530f37cf55bbe9f7f4b08bf36516187825 |
| Publication page | c8e6aa0fb01d132b713def25718f71341a3fce88b5df679c6a0e9f982baf1457 |
| Manifest | 6de9254f500521289a3e303024bef703e6c2352ed5db2536ee05d2c82c8aa1bd |
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 | aNlUvRWY/4vtPYUpQOFCWddM3RCp90Ih/eOuF2zATyG8zvyJ8ZJhUHBox8DBP8coaDFl/3QKZy8HZr82XUpZBA== |
| 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
| 2026-10-26T08:41:30.158067Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038152observed c8e6aa0fb01d132b713def25718f7134...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-26T08:41:30.084241Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038152/manifest.jsonobserved 6de9254f500521289a3e303024bef703...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T08:41:30.015492Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038152/publication.mdobserved 43383b68a73c32cf5c4a24246f13bd53...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T08:41:29.935010Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038152/publication.txtobserved 27e6a7208f601d23be7aaeba78ed9a47...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T08:42:13.602752Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038152observed c8e6aa0fb01d132b713def25718f7134...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T08:42:13.499417Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038152/manifest.jsonobserved 6de9254f500521289a3e303024bef703...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T08:42:13.409897Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038152/publication.mdobserved 43383b68a73c32cf5c4a24246f13bd53...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T08:42:13.251399Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038152/publication.txtobserved 27e6a7208f601d23be7aaeba78ed9a47...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 |
|---|