OT-2026-000019509
Publication integrity record
Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line 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-2026-000019509) never changes.
Identity and time
| Publication number | OT-2026-000019509 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-7189-83f3-023d55735bb1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019509 |
| Status | PUBLIC |
Content hashes
| Canonical text | cbb8d21055f69a420d3810620da1a1270c5453dcb335caba27256b800abdcec8 |
|---|---|
| Markdown | a393fc39946dd03ae71284528d0598cb9cef605cacfd0ce1d5f0d36d80b4150b |
| Publication page | 1a8183ea69608fdcf1bca86c5b20e81e466628d1de0d4bbc4d41c163f842f079 |
| Manifest | faa0ceb48ac20a7c3da8387b220deb6f8bd39f1f3852be339fab176d0ffede5a |
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 | TdiMvG99iIsXmwoni6xVJkLUzXvRkHbKMfUJ2ChE1PFDIj5f1gnaOppoKFrUrjd5P5Mer1MPwvREXkaXBNTmBw== |
| 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
| 2026-09-17T11:58:56.441047Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019509observed 1a8183ea69608fdcf1bca86c5b20e81e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:56.423141Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019509/manifest.jsonobserved faa0ceb48ac20a7c3da8387b220deb6f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:56.404979Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019509/publication.mdobserved a393fc39946dd03ae71284528d0598cb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:56.385319Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019509/publication.txtobserved cbb8d21055f69a420d3810620da1a127...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. |
|---|