OT-2026-000031557
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000031557) never changes.
Identity and time
| Publication number | OT-2026-000031557 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87af-78ae-820e-8e3f939e76f7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031557 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4cfbbff273bb632f7c934f61f6f78cd4d55bf0bcd06254fbc742cc9c4afd6077 |
|---|---|
| Markdown | bbf796fe3efea9ad637d2909a63e4d233065c34a6fca8f3bffd065c9946a15ae |
| Publication page | f98ee2f1c4dddd8b41dba4aa344d9554320bec9b06dd75636e999e35aa5e4c5d |
| Manifest | 43b7c6cc1cd6949918318b1eee47f8b07ac99f669f58ca9d178befb53dcd1bfc |
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 | DWUgWcW16FqV4j4Phy1sTm2fD7NLey8ZynclDxb0ihP9Jk3rrSa6nyhAtUNacoj0VNaKY1Tpz9klj2sSB9oiDg== |
| 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
| 2026-09-17T11:36:24.188624Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031557observed f98ee2f1c4dddd8b41dba4aa344d9554...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:36:24.170651Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031557/manifest.jsonobserved 43b7c6cc1cd6949918318b1eee47f8b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:24.152347Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031557/publication.mdobserved bbf796fe3efea9ad637d2909a63e4d23...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:24.133528Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031557/publication.txtobserved 4cfbbff273bb632f7c934f61f6f78cd4...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. |
|---|