OT-2026-000072721
Publication integrity record
Three bellows cup vacuum gripper, three zone face, four outlet manifold, 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-2026-000072721) never changes.
Identity and time
| Publication number | OT-2026-000072721 · never reused |
|---|---|
| Internal UUID | 01a0ae92-89d9-7ed9-b8dd-676dcac57f16 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:54.283203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072721 |
| Status | PUBLIC |
Content hashes
| Canonical text | ab23da3539a1b6cf5472dc8ca10789dc13a3a352e21dfc7f17fa0a5a7cc59688 |
|---|---|
| Markdown | 1d580f43ba9fe831d0abca38c16aefc704f5f8ee8a41402efe2e293011649f48 |
| Publication page | 130824b75b67fe67370ca97bb2a9393a25ad7dc97d6aaeaa251ad7f0ea04d4a1 |
| Manifest | 51e1229583fdf8ddd304334f6fba23fa0d49fbd5a72200fa41b05d57713068e3 |
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 | 3JxpTRL7258wg6Knlot8vwcrDXCIi3YuJQfN6YaTadGNOBJ5Jbf5/poiE/q/UjoGIrz16xCOqAGYBG5s6tifCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:22:37.117138Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072721observed 130824b75b67fe67370ca97bb2a9393a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:22:37.099882Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072721/manifest.jsonobserved 51e1229583fdf8ddd304334f6fba23fa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:37.082658Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072721/publication.mdobserved 1d580f43ba9fe831d0abca38c16aefc7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:37.065639Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072721/publication.txtobserved ab23da3539a1b6cf5472dc8ca10789dc...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. |
|---|