OT-2026-000004105
Publication integrity record
Vacuum cup gripper, four zone face, common isolation valve, pump fed, pressure verified
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-2026-000004105) never changes.
Identity and time
| Publication number | OT-2026-000004105 · never reused |
|---|---|
| Internal UUID | 01a0a90e-c584-7857-ba58-ed6c39b7c1c1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:11:52.711719Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004105 |
| Status | PUBLIC |
Content hashes
| Canonical text | afa1d41bfc7a47aa6f97c2cc68de746220f95918a29b6667c8bfd494e3b66821 |
|---|---|
| Markdown | 3f445319986383ae0cd844c8a3da0034b3ebefb96ede61edd0885bcfda72b0ee |
| Publication page | a9925e825be70c3e2e5ec8b411390b1cfd5bc47610e83d7583e523bafb914fa7 |
| Manifest | 016031959f0984ec67d4a14348edc9d6d8246f70f9b4098cb2b4eb9abb3bc1db |
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 | EtW9i4/esXzUN8kkDiMB7I91tU57qQcCSHtOMhRiNH+X7duUvGVUpLPxVHR5AM9WhtRpt+HMrDL6c9f1aEWVBA== |
| 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
| 2026-09-16T07:20:35.957664Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004105observed a9925e825be70c3e2e5ec8b411390b1c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:35.944831Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004105/manifest.jsonobserved 016031959f0984ec67d4a14348edc9d6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:35.931836Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004105/publication.mdobserved 3f445319986383ae0cd844c8a3da0034...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:35.918649Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004105/publication.txtobserved afa1d41bfc7a47aa6f97c2cc68de7462...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. |
|---|