OT-2026-000017172
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000017172) never changes.
Identity and time
| Publication number | OT-2026-000017172 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-76c7-7e83-89cf-d0e67a064ebd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:30.105855Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000017172 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2f9799b9be505ef2166ab98da6b206e3524c614e64df04ea494adcee55dd4a2f |
|---|---|
| Markdown | c2b5d1096dddbe430f051ea296e6f160af7c81b44156ebd69e814753e58457fa |
| Publication page | cff84cd42f69623d6c07ceda5661623faf9e58b3d90134bbdb00a38da5b3d313 |
| Manifest | 3b067c0fa0caaeb71fb369aba9905b8f9af72aa62f169fa5521c650b8fe91aff |
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 | I7Rr1AoFZhExe8kV0ZRi8jMY5jPGfhIA7XcEFEEcAG0HCMFS7yvK15JOpdNR7FSKIXZMqRdf+QwFMQvrFKJzCw== |
| 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
| 2026-09-17T12:02:14.360878Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017172observed cff84cd42f69623d6c07ceda5661623f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:02:14.346368Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017172/manifest.jsonobserved 3b067c0fa0caaeb71fb369aba9905b8f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:02:14.328795Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017172/publication.mdobserved c2b5d1096dddbe430f051ea296e6f160...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:02:14.311463Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017172/publication.txtobserved 2f9799b9be505ef2166ab98da6b206e3...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. |
|---|