OT-2026-000004131
Publication integrity record
Vacuum cup gripper, common isolation valve, four outlet manifold, plant vacuum fed, pressure verified
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-2026-000004131) never changes.
Identity and time
| Publication number | OT-2026-000004131 · never reused |
|---|---|
| Internal UUID | 01a0a90f-540c-7ca5-908e-73069eb7070a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:12:29.199534Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004131 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5e9839324d8477cf8391c5da08fca291c34065c5511e572f5daed9bbaef0c379 |
|---|---|
| Markdown | 3ad3c35f1a1b2f0b59a2b15e32436958432954c5d20c7e9def2e4092296c6dcd |
| Publication page | 426bb5f4be29cad81e838aa4f58b22c91e78d9131a4c59362f94c41cff1cd9d6 |
| Manifest | 34cb1076fc125559758068fee7aac2cafc15a4a7ff78e6f4d21b675bd5ba87c2 |
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 | imP2xVDboAO/7LPvX0oXLR1bQjkKAgHw4F9LOhJeEyOcbteSNwwXU8+PKRtvbYdmLEDtkI9R7aDYvELawwCnBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:20:32.990441Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004131observed 426bb5f4be29cad81e838aa4f58b22c9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:32.977431Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004131/manifest.jsonobserved 34cb1076fc125559758068fee7aac2ca...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:32.964171Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004131/publication.mdobserved 3ad3c35f1a1b2f0b59a2b15e32436958...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:32.950681Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004131/publication.txtobserved 5e9839324d8477cf8391c5da08fca291...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. |
|---|