OT-2026-000028894
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off before set-down
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-2026-000028894) never changes.
Identity and time
| Publication number | OT-2026-000028894 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-74f1-9cde-3b82b32490c3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028894 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0264ee8d81369a76df945b252fa790545413941c37c365cf33eb33538269218d |
|---|---|
| Markdown | 56d94a4a85d204c5cb1fc4651a1e19844eb352eb3423e8ee0b3dec3af5306e22 |
| Publication page | 2481ad18de62367d13bf9de9e9a811ed3562964a49308c2e551408b63a025704 |
| Manifest | b9d19fbddbb3a147f1466b48dad5b7943fc3ed5f94cd5fd5a17fc50a40fdf532 |
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 | cBRJ8HuSK1pgyYUp8CbwaEc5A5ACyRKmr2eLPodHMoH+I8CtVCY0H+I8amvzV6LmNB4oUspCZKVD4gjmW9bsBA== |
| 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
| 2026-09-17T08:20:16.243721Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028894observed 2481ad18de62367d13bf9de9e9a811ed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:16.221250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028894/manifest.jsonobserved b9d19fbddbb3a147f1466b48dad5b794...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:16.191895Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028894/publication.mdobserved 56d94a4a85d204c5cb1fc4651a1e1984...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:16.044842Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028894/publication.txtobserved 0264ee8d81369a76df945b252fa79054...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. |
|---|