OT-2026-000004147
Publication integrity record
Bellows cup vacuum gripper, three zone face, two outlet manifold, 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-2026-000004147) never changes.
Identity and time
| Publication number | OT-2026-000004147 · never reused |
|---|---|
| Internal UUID | 01a0a90f-895f-746a-8730-6099d68e2b70 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:12:42.850780Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004147 |
| Status | PUBLIC |
Content hashes
| Canonical text | b160aab08baf9f079dbc4271a8b3b60fe1820b08c523ac68c66ff5f82c77c4c2 |
|---|---|
| Markdown | b238fe2c4a861299d331ac41c2b120a3620b0bfa41d1c4d23e6f7d8384a8120c |
| Publication page | 72f070da87d9d2349b4f74d295f5a5276c122b11104456a0a25f5b6119c43035 |
| Manifest | 259c8d7900ad999abd847835ef7b605a2dde5b2936b0deacd2b6578ce8a4de93 |
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 | fx8cy4kqBc98SDMIOpKVFbRgWcaCv0WRTTFEcO7mYTUHvwLczbeNCEJRxOVd9swypwLFPdP8VY7YsxZf6SDiCg== |
| 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
| 2026-09-16T07:20:31.132962Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004147observed 72f070da87d9d2349b4f74d295f5a527...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:31.119986Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004147/manifest.jsonobserved 259c8d7900ad999abd847835ef7b605a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:30.983582Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004147/publication.mdobserved b238fe2c4a861299d331ac41c2b120a3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:30.971085Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004147/publication.txtobserved b160aab08baf9f079dbc4271a8b3b60f...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. |
|---|