OT-2026-000004476
Publication integrity record
Vacuum cup gripper, three zone face, common isolation valve, 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-2026-000004476) never changes.
Identity and time
| Publication number | OT-2026-000004476 · never reused |
|---|---|
| Internal UUID | 01a0a919-4f8f-7077-81d1-8c538261f359 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:23:23.410967Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004476 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6462bfd6f8b5abc531058bb168dc338c750e4aa5976e5ca602a779965456bb49 |
|---|---|
| Markdown | e812435ba4ccb9620fcc4bcb85bb84a29fe9a217fead526d61c6256ca3ec97c8 |
| Publication page | 2d22a87c276eb754bb92f45d90dc066db32cf4f9a9cb217bd1934e267bee28af |
| Manifest | b8aa04512b0c246f63ef848cbb7e0a32ae5c02aff443cfb250f104b1a98ed5b5 |
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 | 4GU9dfgSseaA9M/oSrFZHSmQHNJp64vWDdHiHjXPhJRkiqvZu7BaA7I4eElDB1s4aAuDoD78t4E38ByfA/SzBA== |
| 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
| 2026-09-16T07:30:23.429430Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004476observed 2d22a87c276eb754bb92f45d90dc066d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:23.416151Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004476/manifest.jsonobserved b8aa04512b0c246f63ef848cbb7e0a32...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:23.401189Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004476/publication.mdobserved e812435ba4ccb9620fcc4bcb85bb84a2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:23.384881Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004476/publication.txtobserved 6462bfd6f8b5abc531058bb168dc338c...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. |
|---|