OT-2026-000015400
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, two stage ejector, pulsed 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-2026-000015400) never changes.
Identity and time
| Publication number | OT-2026-000015400 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef49-7437-95f6-f43fbc480013 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:55.421510Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000015400 |
| Status | PUBLIC |
Content hashes
| Canonical text | ca8ace6a84a66ff0bfef773eb7251b420304c16025e149d9979611f68ffc08bc |
|---|---|
| Markdown | 7b5487e5c314000402146af905f45460591a5b9c5c9fd19b5c7f510445d3e6c1 |
| Publication page | 8de7545988eef4a38e9d78e6c7312ac5070bfd0ae69e32f64912a1b90b411cfc |
| Manifest | 9119c7648ecb76d04993fee028f53195bba4d690f50607aa478e27ef50c88cd4 |
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 | rWPIxDz4xRaS037M/0LducgWtxi/SDmfauL3z+o8AaEBx9OmF4aaKBgOp6mWjSfyJXKAw3PJWJMHmpSgj3SADQ== |
| 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
| 2026-09-17T12:06:07.464575Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015400observed 8de7545988eef4a38e9d78e6c7312ac5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:06:07.443580Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015400/manifest.jsonobserved 9119c7648ecb76d04993fee028f53195...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:06:07.424466Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015400/publication.mdobserved 7b5487e5c314000402146af905f45460...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:06:07.404020Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015400/publication.txtobserved ca8ace6a84a66ff0bfef773eb7251b42...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. |
|---|