OT-2026-000022800
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer
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-2026-000022800) never changes.
Identity and time
| Publication number | OT-2026-000022800 · never reused |
|---|---|
| Internal UUID | 01a0ae70-46ea-7636-9f18-ab2a1c7a83b9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:28.929798Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022800 |
| Status | PUBLIC |
Content hashes
| Canonical text | ff721f8125d4c28e8b243649ffba92c31c26fbfca954dda4a0a4a00e2036b4e1 |
|---|---|
| Markdown | f6bdc536541e8bb29a54aa75b701e6a4642fdcf3bebf441fbf8c389b3b0512b8 |
| Publication page | 4e30271c985e9564b51abd646cf5e39dc6b1277765086d8f4897f8781dd03137 |
| Manifest | 10a90e90951b7005558590a89ec910fb7d30aa820f0a7d649a1e924983b4ad41 |
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 | J3LF0OuW4Dpt6Ix2Y2kf8AIUN1CXbS/8uQKSD522b0/G1UlW0MGfwQNQdPs0iRJSUH/5fanzUX+D/wrXIM0WDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:52:19.461710Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022800observed 4e30271c985e9564b51abd646cf5e39d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:52:19.444302Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022800/manifest.jsonobserved 10a90e90951b7005558590a89ec910fb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:19.412911Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022800/publication.mdobserved f6bdc536541e8bb29a54aa75b701e6a4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:19.378694Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022800/publication.txtobserved ff721f8125d4c28e8b243649ffba92c3...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. |
|---|