OT-2026-000019521
Publication integrity record
Single cup vacuum gripper, common isolation valve, pump fed, 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-2026-000019521) never changes.
Identity and time
| Publication number | OT-2026-000019521 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-7b5b-98e7-c14eb0dfb441 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019521 |
| Status | PUBLIC |
Content hashes
| Canonical text | be0f59ec8e743da0399cdd068175f23bcb0df70da2bc5a2a281a01dacd81b59b |
|---|---|
| Markdown | 6b793206a3dcb0e43b7a727b2f3c469de4b45be016b2f6dcb50eab2ff8b2ee90 |
| Publication page | 4c4613b93b44d2c41dc24527e1c0b998b2e203e982b9206c524720be5a071afc |
| Manifest | b4f96630508ed501a955bd64eda9cc492fd6546e72133258b3977f0552091d62 |
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 | g8hUCRfqcERxH8Id0p7+Gc6zGrpqkjdT1NQX3FBCRbaxJS+inSmxdXGgRY7XxW+/rKuyfRvnmWNCd0Q/kq6BDA== |
| 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
| 2026-09-17T11:58:57.404351Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019521observed 4c4613b93b44d2c41dc24527e1c0b998...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:57.387189Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019521/manifest.jsonobserved b4f96630508ed501a955bd64eda9cc49...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:57.368419Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019521/publication.mdobserved 6b793206a3dcb0e43b7a727b2f3c469d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:57.350823Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019521/publication.txtobserved be0f59ec8e743da0399cdd068175f23b...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. |
|---|