OT-2026-000021288
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three 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-2026-000021288) never changes.
Identity and time
| Publication number | OT-2026-000021288 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-71a5-aae9-598d264eaf8d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021288 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2f515a1245e75b987f645c50a6e15cca785375e9f889941a14c343fb4a9b83ab |
|---|---|
| Markdown | 3f418c0952210b86787feb821c99eb9f75765a9ad56874d4d71db56660c9e26c |
| Publication page | 0847febdecc36bc856310d14b9757bc8f89ecb12353e9b4bd34d080c8a2ffb36 |
| Manifest | 2f002398d791a901c6cfbdb4cd06b522ca23404b4e971e6a7773b19d5c775fa6 |
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 | 5RxQPJhXlxPmjaKXdh7PHoPyuWL0hHlPYNhEKMvgiNa5LmTD9ahmiyoq0LYi81DlDU2QzwhcXTO6H+HErAfbBA== |
| 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
| 2026-09-17T16:41:18.419436Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021288observed 0847febdecc36bc856310d14b9757bc8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T16:41:18.146140Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021288/manifest.jsonobserved 2f002398d791a901c6cfbdb4cd06b522...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T16:41:17.836169Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021288/publication.mdobserved 3f418c0952210b86787feb821c99eb9f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T16:41:17.524403Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021288/publication.txtobserved 2f515a1245e75b987f645c50a6e15cca...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:07.330805Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021288observed 0847febdecc36bc856310d14b9757bc8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:07.312139Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021288/manifest.jsonobserved 2f002398d791a901c6cfbdb4cd06b522...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:07.293511Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021288/publication.mdobserved 3f418c0952210b86787feb821c99eb9f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:07.276528Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021288/publication.txtobserved 2f515a1245e75b987f645c50a6e15cca...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. |
|---|