OT-2026-000004477
Publication integrity record
Bellows cup vacuum gripper, three zone face, 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-2026-000004477) never changes.
Identity and time
| Publication number | OT-2026-000004477 · never reused |
|---|---|
| Internal UUID | 01a0a919-5765-7251-b1f2-bb43691b17b4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:23:25.417832Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004477 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6dbc293b5d3f01b8f29734623e0dc2c27fe922afa384af06237e48def3cfc265 |
|---|---|
| Markdown | 4702d1c70c473ddf09a87985245f9c1c32f5dbb6dac214d366d6a321896a7385 |
| Publication page | 1a9e28d4bb977e9240ff43e40c9e9e3c0ad818c2cfbb9e0d92665e5ddca16d28 |
| Manifest | 7055a02d6f8c8f29c876738e2066cb2c5b45f5d400fa6cb3be0fdb825720a4b6 |
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 | RNrFYM184BupT+PKlqnyu+QhgIGpV8Yk4iifpf/7uqtWg4HrYDUWGkizlmwllhPzi30cSIN4JCiPX3XIqne2AQ== |
| 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
| 2026-09-16T07:30:23.371556Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004477observed 1a9e28d4bb977e9240ff43e40c9e9e3c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:23.238357Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004477/manifest.jsonobserved 7055a02d6f8c8f29c876738e2066cb2c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:23.225503Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004477/publication.mdobserved 4702d1c70c473ddf09a87985245f9c1c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:23.212588Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004477/publication.txtobserved 6dbc293b5d3f01b8f29734623e0dc2c2...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. |
|---|