OT-2026-000003874
Publication integrity record
Bellows cup vacuum gripper, two 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-2026-000003874) never changes.
Identity and time
| Publication number | OT-2026-000003874 · never reused |
|---|---|
| Internal UUID | 01a0a90b-5247-7f86-a1d7-2c5a90b91633 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:08:06.602400Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003874 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8a5964f9692a901bf6bee9c3aedd8dbcd90e2fcccdf0911b546c221ca02cc685 |
|---|---|
| Markdown | cda50aa833bac7120c378bec240f52203bf801876e21ab64f629027c3b4ff167 |
| Publication page | 7d19ccbea5e149f3cf4b068d46947d642d61393254aec9f069216709b0ee5338 |
| Manifest | 8c3e039626591bacff83fb0ce8a1db99a013e7dba80d0592ff5bd8d1a09d447d |
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 | 8gtYTZ6ttc1JRxX6kzdDzCm7X1A9M51dFkGeLXQvVYuWJt2WyfZfI2XMIrL8rfN0Bs5Ad5UJGljgJWul6L5yCA== |
| 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
| 2026-09-16T07:10:15.124800Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003874observed 7d19ccbea5e149f3cf4b068d46947d64...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:15.110813Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003874/manifest.jsonobserved 8c3e039626591bacff83fb0ce8a1db99...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:15.093472Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003874/publication.mdobserved cda50aa833bac7120c378bec240f5220...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:15.077704Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003874/publication.txtobserved 8a5964f9692a901bf6bee9c3aedd8dbc...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. |
|---|