OT-2026-000021089
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000021089) never changes.
Identity and time
| Publication number | OT-2026-000021089 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e5-7d20-84a2-ce3d746f8b75 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021089 |
| Status | PUBLIC |
Content hashes
| Canonical text | 878b1a98a1d6c4ea7144a6385af8f794a07295b4018ddc6322ca81d551fcae54 |
|---|---|
| Markdown | d09c501fc6a7b48aeda94add4127bba26eb03da6c052bbf385494ebc0d669437 |
| Publication page | 346dd93f4ca88adb85f3385192d7d6b5166edf5a0bcf6a2e23adf07a2ca4641c |
| Manifest | 8b12ba5fed13add04d115aaf412eddc950ec92a90e6713959ac5b37cbfd267cf |
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 | /qRkrOGUTsv5196zYr6IayPH4BfVG2ffaR9+Gt6Au6NnidzReZ0EG4JkYUDhk46rVdyLOpa3syZEk7yPiTJBAg== |
| 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
| 2026-09-17T11:56:22.624247Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021089observed 346dd93f4ca88adb85f3385192d7d6b5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:22.603893Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021089/manifest.jsonobserved 8b12ba5fed13add04d115aaf412eddc9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:22.585611Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021089/publication.mdobserved d09c501fc6a7b48aeda94add4127bba2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:22.563797Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021089/publication.txtobserved 878b1a98a1d6c4ea7144a6385af8f794...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. |
|---|