OT-2026-000030521
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000030521) never changes.
Identity and time
| Publication number | OT-2026-000030521 · never reused |
|---|---|
| Internal UUID | 01a0ae73-e504-7d1f-b7e0-8f580e6bde33 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:26.007257Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030521 |
| Status | PUBLIC |
Content hashes
| Canonical text | 284fc4724cd2c6348634928f52396cc9554ee215eb9d38c22b8a1beefdf5c8d0 |
|---|---|
| Markdown | de08203b21e81e10612845457b85e4c2d7fc55e338efbe12913c8fc69356407c |
| Publication page | 8eadcb8756e3c6f7a35e8fc501e308eca2ac8b167e330401713654b67201ba56 |
| Manifest | f1e3812340f2355a53e8c46c93f9d242b483cbba0f9090866afa6a4e69a85325 |
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 | FOuZauhGc7mTDUcjaC5gnGCyZhMJRIFhWVuLtBQesb2nsGaF5/4e4nkMohCXJdjFOrF1QkiFpbwrEE3wqPbGCA== |
| 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
| 2026-09-17T11:38:23.306675Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030521observed 8eadcb8756e3c6f7a35e8fc501e308ec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:23.288557Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030521/manifest.jsonobserved f1e3812340f2355a53e8c46c93f9d242...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:23.271116Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030521/publication.mdobserved de08203b21e81e10612845457b85e4c2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:23.250122Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030521/publication.txtobserved 284fc4724cd2c6348634928f52396cc9...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. |
|---|