OT-2026-000021021
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum 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-2026-000021021) never changes.
Identity and time
| Publication number | OT-2026-000021021 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e4-78a6-b9ef-304fa0cb170e · 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-2026-000021021 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6a0f2b47abd8afb7b2a3c4c3cd67913ebf04e189baf3cac9e6c8445716ebb181 |
|---|---|
| Markdown | e90d15dd821f8c19710dfd76149574fdbcbca3cb4c5d9a8f9097678b40d11227 |
| Publication page | 4b0b616ad638dee9238b921a3d24a13dccea85ed24cbf3dcfc1474b2ca4aabac |
| Manifest | 2eab693aaad8f4e19906a2e8674a399062137afe1bb740ab18420b56bab0526f |
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 | BUXwqxV6LEVMQNDmtmbt/3tw5gOorthQ6KvD7RIgzx6BFvov+BtEKtnFNrfyalfwFogGYJoWzZ2u9UbHbLpOBQ== |
| 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
| 2026-09-17T11:56:05.662792Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021021observed 4b0b616ad638dee9238b921a3d24a13d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:05.645250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021021/manifest.jsonobserved 2eab693aaad8f4e19906a2e8674a3990...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:05.628865Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021021/publication.mdobserved e90d15dd821f8c19710dfd76149574fd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:05.609491Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021021/publication.txtobserved 6a0f2b47abd8afb7b2a3c4c3cd67913e...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. |
|---|