OT-2026-000049772
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000049772) never changes.
Identity and time
| Publication number | OT-2026-000049772 · never reused |
|---|---|
| Internal UUID | 01a0ae81-8fef-7b4f-aa58-6e048a4c9a0d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:35:21.728203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000049772 |
| Status | PUBLIC |
Content hashes
| Canonical text | dd4157a160c7c3f09840e5bde635d71baa5e273d4a23a23707762dcfe14be686 |
|---|---|
| Markdown | 2e37457b687603f3990054498a6315a9fbae1c92f397510d8cb502db926ff74d |
| Publication page | 41655a4bbf3c07e8597c780157a6ba263cdfbdc3deaf63d8db3be122667624ed |
| Manifest | 342b91770a3a8d58d86d32387878f99ef6c361a969d019dc920b5fe7dab84e1f |
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 | woHbs9nLYKAqNI8Ub9a0pLT73bpQN7KLd0nNKn6Y6VbwKzAtSpyJRfcf9REfwPEUEue1ZVp0K7RrGI+OCSyZBQ== |
| 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
| 2026-09-17T11:02:53.151215Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049772observed 41655a4bbf3c07e8597c780157a6ba26...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:02:53.130658Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049772/manifest.jsonobserved 342b91770a3a8d58d86d32387878f99e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:02:53.113157Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049772/publication.mdobserved 2e37457b687603f3990054498a6315a9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:02:53.093832Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049772/publication.txtobserved dd4157a160c7c3f09840e5bde635d71b...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. |
|---|