OT-2026-000031880
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump 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-2026-000031880) never changes.
Identity and time
| Publication number | OT-2026-000031880 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad1-7be0-8ab3-b3a172de0052 · 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-2026-000031880 |
| Status | PUBLIC |
Content hashes
| Canonical text | 689a786acbcb71a40ad621ac271a9f41bf431e80ce8e2500de4c32fd5affe74d |
|---|---|
| Markdown | 58a09f876c8e345a5f4d1236c249df3e24c05bdc3225831391992d631a2173ab |
| Publication page | 3f5739d5bc9c89d19fd2cf086b8be5bee140016e3ebec126b39efa5809c9a550 |
| Manifest | ecc9655f0304a8b34fbd2eb9a627ad120e793bb846dd2afa84c60da29dbebfd2 |
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 | QlTz/PKwW8pGnvoeObq5SRuhnRSJUCy9AbuxnMKZ4bwhhxdcklMPxDfH3DpAeFuZmQUHU+zVNk08bh1o4Mi0Cg== |
| 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
| 2026-09-17T11:35:08.639351Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031880observed 3f5739d5bc9c89d19fd2cf086b8be5be...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:08.620185Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031880/manifest.jsonobserved ecc9655f0304a8b34fbd2eb9a627ad12...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:08.602683Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031880/publication.mdobserved 58a09f876c8e345a5f4d1236c249df3e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:08.584778Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031880/publication.txtobserved 689a786acbcb71a40ad621ac271a9f41...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
| Custody package | Pending Custody packages are produced weekly. |
|---|