OT-2026-000017989
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, pump 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-2026-000017989) never changes.
Identity and time
| Publication number | OT-2026-000017989 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-96fc-7891-ba25-7b2678643f23 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:38.350302Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000017989 |
| Status | PUBLIC |
Content hashes
| Canonical text | 22a404244f9b060613ade5cc3dbb16c1f7a0914f7a143ee9c1070d4712750e0c |
|---|---|
| Markdown | 51cf64b855467dba969f44e3c09d6a254ffb31045d3fd7696485172385817c58 |
| Publication page | a2ec3b507ccf6bddc38945887390cbb3307c3331d423f1d1ecf2337d607f2dbb |
| Manifest | 3f99bb14d91f3c9cdd5a729cc64395392cd76a1023fc2e3b8dc077664373b740 |
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 | x5dNM7YeIUOOJ/RFNFhwjxLoaxwF7L+YKxPHZQ3diuZGXtdgs1aDAUqZK7wReAKQGQgsi0zIWY2BhU9toKU6DQ== |
| 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
| 2026-09-17T12:02:00.452906Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017989observed a2ec3b507ccf6bddc38945887390cbb3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:02:00.435999Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017989/manifest.jsonobserved 3f99bb14d91f3c9cdd5a729cc6439539...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:02:00.418942Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017989/publication.mdobserved 51cf64b855467dba969f44e3c09d6a25...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:02:00.402661Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017989/publication.txtobserved 22a404244f9b060613ade5cc3dbb16c1...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. |
|---|