OT-2026-000021508
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down
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-2026-000021508) never changes.
Identity and time
| Publication number | OT-2026-000021508 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7c0b-a4eb-5d8f8300b49e · 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-2026-000021508 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2281c092e43f53c7e27d455df86676329531d46b62bf5f616c87035b220b5c8e |
|---|---|
| Markdown | 3d23103e789e740fb89a92840297c4c333c0e71a57b860c0c4c7277268d63ff2 |
| Publication page | 54899ef9442f3383b641b69b4cf484e4b0dc576b041e11e7f6ab357657096736 |
| Manifest | 632f42e619e400a95ab803ef1aa27ee88d788a6dc993394e68fcf0780ac69232 |
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 | HFdeEhky82qYqfP8GqNgXhHil0bzFc6tal1+luQbW0Qu93c+LKGqg8b61CxVdH57G+JsUB1Dg/Yy4KE5zFSNBg== |
| 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
| 2026-09-17T11:55:25.541636Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021508observed 54899ef9442f3383b641b69b4cf484e4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:25.449665Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021508/manifest.jsonobserved 632f42e619e400a95ab803ef1aa27ee8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:25.430971Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021508/publication.mdobserved 3d23103e789e740fb89a92840297c4c3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:25.412559Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021508/publication.txtobserved 2281c092e43f53c7e27d455df8667632...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. |
|---|