OT-2026-000004454
Publication integrity record
Vacuum cup gripper, per zone isolation, pump fed, contact triggered on the face
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-2026-000004454) never changes.
Identity and time
| Publication number | OT-2026-000004454 · never reused |
|---|---|
| Internal UUID | 01a0a918-49f4-7352-8a20-76526e70e8a4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:22:16.439328Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004454 |
| Status | PUBLIC |
Content hashes
| Canonical text | e7264042a8e2bd1d51ddd1e70ca76194e65ae22be2ed7944d2c92d6cb011dd60 |
|---|---|
| Markdown | cb3ac463e5ce57166bae0a487102cbd4d53dfd697db88a8c3368deb80e38eae6 |
| Publication page | 1575c1dc563fa6d9d6ce14fd1b426910d4753a152c2f07f1f7c579784fc9de04 |
| Manifest | 924acb7da41845cdf64f2364d057b44e2eda7971cd38d297246a858abbadd258 |
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 | rxcOXSPGk6p9gl2T+QGIVUAOF3AjHrjkcPoSrLlRHbztOlPbqQhjaYAYlPTyD184/OPxtR3vBHdTof5gXW3uCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:30:25.728459Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004454observed 1575c1dc563fa6d9d6ce14fd1b426910...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:25.715630Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004454/manifest.jsonobserved 924acb7da41845cdf64f2364d057b44e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:25.702964Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004454/publication.mdobserved cb3ac463e5ce57166bae0a487102cbd4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:25.688528Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004454/publication.txtobserved e7264042a8e2bd1d51ddd1e70ca76194...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. |
|---|