OT-2026-000031844
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, 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-2026-000031844) never changes.
Identity and time
| Publication number | OT-2026-000031844 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad1-7aee-a506-35fbf6a860cb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031844 |
| Status | PUBLIC |
Content hashes
| Canonical text | ca2e004ec920b1797b206e942b6e12e14bd9526c8ac006e6e15b2b041f28e3f1 |
|---|---|
| Markdown | 3a5c92dcf90a8e7f3656ff15a54b2e65049b2c5b3bc6954a322998b3136ca0bf |
| Publication page | 3e3092549f9cb6b2b9456926d0c0c6756974a1be5df89aeeaff611713164e9bf |
| Manifest | 9e4f6321a9d56ed518afd39249d803ad3526e962093f946f1fd6165bd463e301 |
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 | bi1qFNThEDYFZ76ra4BSR9KSTiODs+NUCjfg6y5f7kWI2e0cQpPRtfor1HtPp+wD61w2WttS9YmJncsI9mf/BQ== |
| 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
| 2026-10-23T08:41:47.875122Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031844observed 3e3092549f9cb6b2b9456926d0c0c675...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T08:41:47.792985Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031844/manifest.jsonobserved 9e4f6321a9d56ed518afd39249d803ad...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T08:41:47.687550Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031844/publication.mdobserved 3a5c92dcf90a8e7f3656ff15a54b2e65...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T08:41:47.601734Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031844/publication.txtobserved ca2e004ec920b1797b206e942b6e12e1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T04:23:09.561679Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031844observed 3e3092549f9cb6b2b9456926d0c0c675...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-14T04:23:09.546088Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031844/manifest.jsonobserved 9e4f6321a9d56ed518afd39249d803ad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-14T04:23:09.528984Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031844/publication.mdobserved 3a5c92dcf90a8e7f3656ff15a54b2e65...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-14T04:23:09.427566Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031844/publication.txtobserved ca2e004ec920b1797b206e942b6e12e1...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 |
|---|