OT-2026-000015021
Publication integrity record
Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000015021) never changes.
Identity and time
| Publication number | OT-2026-000015021 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-d096-787d-8eb2-c2e60f80a7ce · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:47.560717Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000015021 |
| Status | PUBLIC |
Content hashes
| Canonical text | e257160c703181f021d668aaad68cd9ddee84fc934e5df27c32dd46b8ab34d80 |
|---|---|
| Markdown | 4d1ad9553d367a6166f8a9e61b1cf14d9073e69d4573d17523e62f6f541d51b6 |
| Publication page | 6d71259b0d300bb17bcc1fe1fcbad37d17ab510f175e758b17582c964a4302b4 |
| Manifest | a0fe315fee136d89dfb02f3fc7e27cadb7edabc4078d854663390a3510c18858 |
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 | 7ph5ucaaI7TlzaR56cm4acdrq4HxfnmBnVJ+fWdyEaKnt7ryea6a6t8AlPTF29J0AUZxH2BivCpTKtkviqxNDw== |
| 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
| 2026-09-17T12:06:59.723102Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015021observed 6d71259b0d300bb17bcc1fe1fcbad37d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:06:59.703025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015021/manifest.jsonobserved a0fe315fee136d89dfb02f3fc7e27cad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:06:59.682652Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015021/publication.mdobserved 4d1ad9553d367a6166f8a9e61b1cf14d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:06:59.663024Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015021/publication.txtobserved e257160c703181f021d668aaad68cd9d...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. |
|---|