OT-2026-000004326
Publication integrity record
Bellows cup vacuum gripper, common isolation valve, four outlet manifold, 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-2026-000004326) never changes.
Identity and time
| Publication number | OT-2026-000004326 · never reused |
|---|---|
| Internal UUID | 01a0a914-17c5-7b7a-a54b-e3663aa6ea30 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:17:41.448046Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004326 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4d95a6a5252b66e74871b9a382a4db5764dd5e722dde960ebd3002b565fb6a88 |
|---|---|
| Markdown | 746e5c727164b70d733c9c5a5a1fc6e78482390994f539d9a7c74943608f8021 |
| Publication page | 3f57e432cf6eb8e6cce0b61abea35986dd3c41bfc821406645f0317c3ea63e43 |
| Manifest | 8bffa297c84a62c51559fbfd7db5f1c3935074aed20c7ae7f5d574a07704d474 |
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 | hmfS5i0zwnH/buV0Veaf0X9bqxngVLgUVvFVj6PfEHnFXt8jsvUHi/U96jj2Qq8c4gjrFu9M02zNnEXJ02wNCA== |
| 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
| 2026-09-16T07:20:10.634406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004326observed 3f57e432cf6eb8e6cce0b61abea35986...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:10.620173Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004326/manifest.jsonobserved 8bffa297c84a62c51559fbfd7db5f1c3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:10.483702Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004326/publication.mdobserved 746e5c727164b70d733c9c5a5a1fc6e7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:10.468827Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004326/publication.txtobserved 4d95a6a5252b66e74871b9a382a4db57...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. |
|---|