OT-2026-000042541
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000042541) never changes.
Identity and time
| Publication number | OT-2026-000042541 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0cd-7b41-80ef-36ebd86e64fd · 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-2026-000042541 |
| Status | PUBLIC |
Content hashes
| Canonical text | bad118405e4cf160d22ad36a680c73d05776d1247d2f9be051bfbab26531d38a |
|---|---|
| Markdown | ceb2820d2c4d685ace0a5b36c9e6a7d3bfc489f2d31f3e470c7659b113162beb |
| Publication page | e51f3e87c8f97cc3c4e4605287ded48e716fe2a9a7a099b17837892720e1050e |
| Manifest | 37f1b9bb74abf3d3954ae158df881edb7bae5fd07a32174ed23190dd61278ff7 |
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 | zQio4NHKNrW8c0KTT1TXWVvfPJvRzA9PljxqsrCN/59Hd3+CNNDZLjcNmkejTY6TMe1+ifXcUgAjIMp+Si0bBA== |
| 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
| 2026-09-17T11:14:14.655381Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042541observed e51f3e87c8f97cc3c4e4605287ded48e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:14:14.636136Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042541/manifest.jsonobserved 37f1b9bb74abf3d3954ae158df881edb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:14:14.618400Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042541/publication.mdobserved ceb2820d2c4d685ace0a5b36c9e6a7d3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:14:14.598611Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042541/publication.txtobserved bad118405e4cf160d22ad36a680c73d0...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. |
|---|