OT-2026-000004376
Publication integrity record
Vacuum cup gripper, common isolation valve, two outlet manifold, plant vacuum 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-2026-000004376) never changes.
Identity and time
| Publication number | OT-2026-000004376 · never reused |
|---|---|
| Internal UUID | 01a0a915-a05f-75c1-9ff1-cac4a6ee9494 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:19:21.954215Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004376 |
| Status | PUBLIC |
Content hashes
| Canonical text | 997b311290408742c9937401467d9a43552d1e46b0db99e6b0caa9d5d6d145d5 |
|---|---|
| Markdown | 9343d0a51751cb5c2605e153b55f3ab217a3c924ebbb9408c2a4ac1af06c234e |
| Publication page | eef47797d29d194c81fbddeb818e7c9b5b6ed9693fa9c5c1b541079095035234 |
| Manifest | dc3ec141ea144e34aee384433b137e803e094ce8d3220899ce34ad7dc7893390 |
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 | 65mmi/Pcsz/3CRx9880cF0DIo48FOChOZaf2u4598dkEZcpIM4if9grqFoXUxdT5h/xStlrVG7XBEr/lgKf6Bw== |
| 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
| 2026-09-16T07:20:04.902998Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004376observed eef47797d29d194c81fbddeb818e7c9b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:04.890404Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004376/manifest.jsonobserved dc3ec141ea144e34aee384433b137e80...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:04.875399Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004376/publication.mdobserved 9343d0a51751cb5c2605e153b55f3ab2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:04.736135Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004376/publication.txtobserved 997b311290408742c9937401467d9a43...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. |
|---|