OT-2026-000042521
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000042521) never changes.
Identity and time
| Publication number | OT-2026-000042521 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0cd-7cfa-86a8-1c24413d8011 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042521 |
| Status | PUBLIC |
Content hashes
| Canonical text | 856875ed1fa88bac55472a457fed33228a2e0ae45f40e48c75b2d529a017bc9f |
|---|---|
| Markdown | 8b90ba18474f232345bd8084f0c6d62955f8fee7a4f85800c242b2e1399e4a55 |
| Publication page | f916e5b8ef9b5c8b40ee04b8e7a0e4ceb814e433f544110b92e30468cb587980 |
| Manifest | cdbdde213d380978dd4d2a311b146f66e7729720104e163b4dac251e785e483f |
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 | 067ZrdOq4Q5nrLhXGYztoFzQIbwz/0kvKBv7J+7Uff9KZj5mZp1UI8WSJCt1H3WGsGLu11rrd3WFCwsHo1+wBQ== |
| 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
| 2026-09-17T11:14:06.330068Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042521observed f916e5b8ef9b5c8b40ee04b8e7a0e4ce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:14:06.309185Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042521/manifest.jsonobserved cdbdde213d380978dd4d2a311b146f66...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:14:06.290383Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042521/publication.mdobserved 8b90ba18474f232345bd8084f0c6d629...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:14:06.268850Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042521/publication.txtobserved 856875ed1fa88bac55472a457fed3322...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. |
|---|