OT-2026-000004465
Publication integrity record
Porous face vacuum gripper, two zone face, common isolation valve, pump fed
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-2026-000004465) never changes.
Identity and time
| Publication number | OT-2026-000004465 · never reused |
|---|---|
| Internal UUID | 01a0a918-e5f7-7dc0-9806-06104002db39 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:22:56.379148Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004465 |
| Status | PUBLIC |
Content hashes
| Canonical text | bc5571e6d1b087dfa5008083d579f7099eb3b91d1023626500feef5282dfd6f7 |
|---|---|
| Markdown | 18426be26fdc477b8a264da415191fc1f1fef6c34f3441fcc25b46000cc63e8a |
| Publication page | c04d17f216275d3af7df4c3240a6a8c6aa602ead56f42511de255a20c138dcc0 |
| Manifest | 258828f08e5862feec88f0a7fe6ad78216c90dfe06a5f87dd8fb6016e7042a87 |
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 | iYIkhFAh81GzKC8SOs3PAj578IC41EnFcNe8W0i7bpZK7+XtNXl1tB260KVYcZ6/eyIMF9HlbGD58DBIsJecBQ== |
| 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
| 2026-09-16T07:30:24.633760Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004465observed c04d17f216275d3af7df4c3240a6a8c6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:24.620665Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004465/manifest.jsonobserved 258828f08e5862feec88f0a7fe6ad782...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:24.494439Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004465/publication.mdobserved 18426be26fdc477b8a264da415191fc1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:24.480322Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004465/publication.txtobserved bc5571e6d1b087dfa5008083d579f709...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. |
|---|