OT-2026-000021390
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000021390) never changes.
Identity and time
| Publication number | OT-2026-000021390 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-748c-915f-78a9d5b19d55 · 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-2026-000021390 |
| Status | PUBLIC |
Content hashes
| Canonical text | b3f1b960b6cad1d1950aeda4adfc249d4cf95013671c6c9c57ccc459a773dcff |
|---|---|
| Markdown | de52cdda1089f2fac8b42c7e85b2bcaf2d4adf160754fa1c006d46a8103919f2 |
| Publication page | ccb5d7eda68c89b9c629c95ae51847c39af8a4f92bde316b21399881ae575b55 |
| Manifest | 2b26fa7347daa515528a1b9d6ce51e86aa3a4fbe19f83ee16060b2d1d0bc8ed9 |
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 | oLVnsch0Mm3XMK68RhI5EK3TxX7p9KKHJCtjnbmYmH4Vxf/5ui7kfrk5YvbRh3Q4fFoS+DfepjLrS6LnupLaAA== |
| 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
| 2026-09-17T11:55:16.523715Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021390observed ccb5d7eda68c89b9c629c95ae51847c3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:16.497767Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021390/manifest.jsonobserved 2b26fa7347daa515528a1b9d6ce51e86...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:16.470478Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021390/publication.mdobserved de52cdda1089f2fac8b42c7e85b2bcaf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:16.441662Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021390/publication.txtobserved b3f1b960b6cad1d1950aeda4adfc249d...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. |
|---|