OT-2026-000004015
Publication integrity record
Porous face vacuum gripper, common isolation valve, six outlet manifold, pump fed, contact triggered
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-2026-000004015) never changes.
Identity and time
| Publication number | OT-2026-000004015 · never reused |
|---|---|
| Internal UUID | 01a0a90c-c631-7dab-874c-5483d4eedceb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:09:41.811902Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004015 |
| Status | PUBLIC |
Content hashes
| Canonical text | 81118d3145caf97e292d20831b9a7a3a33c8baedf4d472df55fbdea217c7d20f |
|---|---|
| Markdown | b479d7e9b2b20081200ab8accd97da4ea5c07b6072d0a38ef485c3a5e509f2bb |
| Publication page | e1e220ee51105eaa2531f2f5026a8e7bfb2a6a8eff1c97b5fc1fc8408f7e68d2 |
| Manifest | d6d74c6c7df26ee43e3780fbc4b642f714cccd38df295661d3e8b75d4522c459 |
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 | ZSuKryKiFS7Uhw5WiMXPsu7TyfJOhzE0Jrl6VtU/Yb+Gme69zeYrsLn4FSWB+k4gRTTp2CHwxU9jXJTgq6y6Bw== |
| 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
| 2026-09-16T07:10:06.167355Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004015observed e1e220ee51105eaa2531f2f5026a8e7b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:06.148803Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004015/manifest.jsonobserved d6d74c6c7df26ee43e3780fbc4b642f7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:06.132459Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004015/publication.mdobserved b479d7e9b2b20081200ab8accd97da4e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:06.113528Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004015/publication.txtobserved 81118d3145caf97e292d20831b9a7a3a...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. |
|---|