OT-2026-000028341
Publication integrity record
Four cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000028341) never changes.
Identity and time
| Publication number | OT-2026-000028341 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-7b7c-90d2-c1ff4a00c29c · 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-2026-000028341 |
| Status | PUBLIC |
Content hashes
| Canonical text | 97043dd260aca7aff5ebc92f2292048dd81d758971dfe64a0c13dadafa416b3c |
|---|---|
| Markdown | bf90b821c9396128a362b13b70367c6dc1c3620b148372d3ffa7520b9b4068c6 |
| Publication page | 15c5df4e592bae3c21d74cd4e9b94c4a13f74f1b05010cf34606aeb2f20d6e7c |
| Manifest | 8f1406bd7287c8ced41f44221f86a61eabedf48e1eb328856bd0ddd07220fbf9 |
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 | VV1X/QWvggzD9LLpSLnq+dApn2b5SWiN7HZNUeMN3vldUulOA32gm3Jq2DVXHnoh9iqeCXK0UcndpesQtS2hAw== |
| 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
| 2026-09-17T11:40:20.907788Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028341observed 15c5df4e592bae3c21d74cd4e9b94c4a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:20.887556Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028341/manifest.jsonobserved 8f1406bd7287c8ced41f44221f86a61e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:20.867994Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028341/publication.mdobserved bf90b821c9396128a362b13b70367c6d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:20.848609Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028341/publication.txtobserved 97043dd260aca7aff5ebc92f2292048d...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. |
|---|