OT-2026-000004149
Publication integrity record
Vacuum cup gripper, common isolation valve, two outlet manifold, ejector 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-2026-000004149) never changes.
Identity and time
| Publication number | OT-2026-000004149 · never reused |
|---|---|
| Internal UUID | 01a0a90f-8f7a-79fd-a20a-9c9b6301bbf8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:12:44.413140Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004149 |
| Status | PUBLIC |
Content hashes
| Canonical text | 915f65c8f92dd6dc96d2c14472360a216574db3c37de358c784f9a3050a7d9b8 |
|---|---|
| Markdown | 6cd504be0842d9bbfa87849647108755848585b12076bf12fd2a5cb1b7a3f500 |
| Publication page | 84175e6ab1c10ac9c2d7d6a42915bab154249e3dcc5c260af19fe57da977a186 |
| Manifest | 76f23c6e69fbc2b5228664a650bd242ef54e428b762fafe4ef5083bb1014658c |
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 | m0jzAMRGa9iDqgUwjm7cx0PqR4gj2sKTRqx3X4n2nIzjOkV8sjpsMZ67scxa5e3s+U9BrO5hNigFXizNdt6NBA== |
| 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
| 2026-09-16T07:20:30.899144Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004149observed 84175e6ab1c10ac9c2d7d6a42915bab1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:30.886791Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004149/manifest.jsonobserved 76f23c6e69fbc2b5228664a650bd242e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:30.871328Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004149/publication.mdobserved 6cd504be0842d9bbfa87849647108755...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:30.736590Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004149/publication.txtobserved 915f65c8f92dd6dc96d2c14472360a21...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. |
|---|