OT-2026-000037640
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000037640) never changes.
Identity and time
| Publication number | OT-2026-000037640 · never reused |
|---|---|
| Internal UUID | 01a0ae77-b8cf-771e-baa1-267b116e2736 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:24:36.831192Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000037640 |
| Status | PUBLIC |
Content hashes
| Canonical text | e2ff4f55eda153091a34525858093f15161fb61e478eceb0a15508436293b87a |
|---|---|
| Markdown | cd1fb38240b5f2d28f4471e5aebf6bce22fc1e8c81893cb55a525cf95d68198c |
| Publication page | 986452f57ba6367d572a2fc2749854a6871432692d6d3550ce757a58be997593 |
| Manifest | a1cd258dd3103f4a4aa3009d196c2b7c47422465d3be41d526ab7ef217d99871 |
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 | 7h2jAma7vO4Tecbscgvs+A837sCrzBOeFqJ0bYXCgWxO15KYPju99BZ+8bUscXBf+dtHkGP2cwWp/bbOkG8iAw== |
| 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
| 2026-10-08T08:41:45.875243Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037640observed 986452f57ba6367d572a2fc2749854a6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-08T08:41:45.781910Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037640/manifest.jsonobserved a1cd258dd3103f4a4aa3009d196c2b7c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T08:41:45.697033Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037640/publication.mdobserved cd1fb38240b5f2d28f4471e5aebf6bce...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T08:41:45.575180Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037640/publication.txtobserved e2ff4f55eda153091a34525858093f15...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T04:23:06.175858Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037640observed 986452f57ba6367d572a2fc2749854a6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-19T04:23:06.144490Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037640/manifest.jsonobserved a1cd258dd3103f4a4aa3009d196c2b7c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-19T04:23:06.126366Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037640/publication.mdobserved cd1fb38240b5f2d28f4471e5aebf6bce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-19T04:23:06.013403Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037640/publication.txtobserved e2ff4f55eda153091a34525858093f15...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 |
|---|