OT-2026-000006411
Publication integrity record
Vacuum cup gripper, three zone face, common isolation valve, plant vacuum fed, rubber cups
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-2026-000006411) never changes.
Identity and time
| Publication number | OT-2026-000006411 · never reused |
|---|---|
| Internal UUID | 01a0a95a-4f56-7c76-b5d2-389915e6bbac · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:34:23.193206Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006411 |
| Status | PUBLIC |
Content hashes
| Canonical text | 97c3fad1651ca35003477738270e22b51f34470a5099b37b0d0defaa82cc3d8b |
|---|---|
| Markdown | f1713d06a9c2b49a210ec767e2b96e7ed06473782c76ccde7a20cd49daf0cf0f |
| Publication page | dd04dc1b902fcf84520fa900bf05af1f9487b98b5dd804aaea1e6b699151cacc |
| Manifest | e72a5c78abe2c71e04cb415342a950bfa7bf96390052c483c59f5f72f31ec22b |
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 | r8FoDdQ/x6v7SzMrPquXsrcyEVBaywAmA6xnMSsdk2PUclQknZ2m0FpXVS8bwOKg5pgK7LlzeItG42rEQW1hCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-09-16T08:40:20.666577Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006411observed dd04dc1b902fcf84520fa900bf05af1f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:40:20.654660Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006411/manifest.jsonobserved e72a5c78abe2c71e04cb415342a950bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:20.639858Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006411/publication.mdobserved f1713d06a9c2b49a210ec767e2b96e7e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:20.625703Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006411/publication.txtobserved 97c3fad1651ca35003477738270e22b5...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. |
|---|