OT-2026-000028454
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000028454) never changes.
Identity and time
| Publication number | OT-2026-000028454 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f6-74e9-bb58-b6aee2ca14e5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028454 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5e6ee7fd7b5998a5ce89b2370b0ff979fd81d043b4d4412572379cdd4398b352 |
|---|---|
| Markdown | 969f3afc0bf03fd7e8b113477c8c118962cb924a998c354be6ef5a58daa874a1 |
| Publication page | 141f045d045609bca9de41453cc07769a74d7385e7cdc44f674fe9ed6122fbaf |
| Manifest | 70e1134b007f45414311e80fb7cc26a77550e05193d198317d0c04ea1e0574ce |
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 | MoUo1cNRTMxSMpbY+ZaB35Mlvv9UgXEIU0RcSYtq1DQGVEDvYz/fGvmlvd6XxeAyOgSARAfxcxxHBU1qTS07Cg== |
| 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
| 2026-09-17T11:40:35.665905Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028454observed 141f045d045609bca9de41453cc07769...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:35.647718Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028454/manifest.jsonobserved 70e1134b007f45414311e80fb7cc26a7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:35.629888Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028454/publication.mdobserved 969f3afc0bf03fd7e8b113477c8c1189...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:35.598402Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028454/publication.txtobserved 5e6ee7fd7b5998a5ce89b2370b0ff979...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. |
|---|