OT-2026-000031172
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000031172) never changes.
Identity and time
| Publication number | OT-2026-000031172 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ab-7260-8b89-65cf965962e3 · 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-2026-000031172 |
| Status | PUBLIC |
Content hashes
| Canonical text | a63d24b1b5c76caa470bc99f2c28db54f68c3e3bb9c6b84c52d2caff4fb88d6f |
|---|---|
| Markdown | 1786b99eb2a6223a08702f36649bdd4d582cdaba235c8e0b25e4eebc918c6905 |
| Publication page | 65fb608e92da064401ce1897542e8676d9be57eb78d612f7d06b3969046df11c |
| Manifest | ceb5f7cdf3cb86d06b885ce35769dac185c0af4a4ff8cd4234345a29c8ea1f5d |
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 | YuFHnUS7V+u4e2CvifKbJo4z7ARBYD73y14WWqlII+7xFZs3PbppNCKsufCJvShKmerdpchGYIeW80KvYXjXBQ== |
| 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
| 2026-09-17T11:35:43.478952Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031172observed 65fb608e92da064401ce1897542e8676...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:43.461474Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031172/manifest.jsonobserved ceb5f7cdf3cb86d06b885ce35769dac1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:43.442448Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031172/publication.mdobserved 1786b99eb2a6223a08702f36649bdd4d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:43.423829Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031172/publication.txtobserved a63d24b1b5c76caa470bc99f2c28db54...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. |
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