OT-2026-000021635
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000021635) never changes.
Identity and time
| Publication number | OT-2026-000021635 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7dd9-9a9d-695b00c75ac8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021635 |
| Status | PUBLIC |
Content hashes
| Canonical text | a404cbf6decf68614684d8743b4f5d750f96636268fb6873b381418163cabd39 |
|---|---|
| Markdown | 7e9ff79aa4982987e2c449102c67f8642aa84d7da96e9e4980abacdd80e2589c |
| Publication page | 0cdb16fb1ce1a76f27349b967b95cb26b1e62cbfb8fd4afcbc36cbc2bb2344e0 |
| Manifest | 73952007ab08f191bbf799862cb54375c1b93272cd3fc3ac00ac5a38d45b4050 |
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 | TBp2ZUUkUkTqU6/bXnUQCLqQ5q6u8JspeCpk/46w9CoQNW/FgE7+jhTjrSxxKvFOVAEah6qkAJmgwi9yucSLDw== |
| 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
| 2026-09-17T11:54:10.278473Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021635observed 0cdb16fb1ce1a76f27349b967b95cb26...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:10.260884Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021635/manifest.jsonobserved 73952007ab08f191bbf799862cb54375...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:10.242590Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021635/publication.mdobserved 7e9ff79aa4982987e2c449102c67f864...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:10.194477Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021635/publication.txtobserved a404cbf6decf68614684d8743b4f5d75...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. |
|---|