OT-2026-000022591
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, 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-2026-000022591) never changes.
Identity and time
| Publication number | OT-2026-000022591 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-f4ff-7603-a3cc-3d4d46bb3370 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:07.953226Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022591 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2cbc33b94c3362c7c4e8cd334aafa61fcede65f2858860ff9e9e97e4d44fae2f |
|---|---|
| Markdown | d7955ba80595448ee6605f96b67e84aaf673fb96f121a4b8aa445c1121b75cf8 |
| Publication page | 77a89f9a2122510afb7ccc92b1289755c86cfcf692a1611aa080c6415bdbcc19 |
| Manifest | 2eca29a989feb867ba818f6121add49774a63083c05dc6a217e752e0431f27e9 |
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 | eVLAQe3dvsCdtZWIZsvvphB9Tn3GLtxAlQdZBfqO+hI5Bs6HYJf8UlvoJOap1BMPLt87ED7wlSYfG8UmIK4vBw== |
| 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
| 2026-09-17T11:54:02.143352Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022591observed 77a89f9a2122510afb7ccc92b1289755...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:02.124023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022591/manifest.jsonobserved 2eca29a989feb867ba818f6121add497...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:02.106162Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022591/publication.mdobserved d7955ba80595448ee6605f96b67e84aa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:02.088776Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022591/publication.txtobserved 2cbc33b94c3362c7c4e8cd334aafa61f...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. |
|---|