OT-2026-000028821
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000028821) never changes.
Identity and time
| Publication number | OT-2026-000028821 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9c-7e8c-a852-0e9de7878960 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028821 |
| Status | PUBLIC |
Content hashes
| Canonical text | 25d3d8568a215a9603cacf0cec35ea7d9f2f11057d0ead2603799abff4964756 |
|---|---|
| Markdown | 4624345b09d56531f97b9406fc799c13dfb31ccc3c6fbebe607bd89b5ac8fe40 |
| Publication page | ca3d054170d39985fe32acf86e359a248fc37468a138b15576731ca01200a164 |
| Manifest | aad96471f2ee3a92091e911901d7de21b8c10b08573e381764a1a1366ca10bd7 |
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 | mLXb2JeNY6ikrDvCelgzbi1ACYe3bKVvlJ4kis5XHJQq7ZIG+B5JFgkCL15xOYGQnvnQlIU3uskv9g4wf/0gDw== |
| 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
| 2026-09-17T08:20:03.694982Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028821observed ca3d054170d39985fe32acf86e359a24...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:03.545282Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028821/manifest.jsonobserved aad96471f2ee3a92091e911901d7de21...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:03.505025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028821/publication.mdobserved 4624345b09d56531f97b9406fc799c13...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:03.483145Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028821/publication.txtobserved 25d3d8568a215a9603cacf0cec35ea7d...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. |
|---|