OT-2026-000028837
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum 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-2026-000028837) never changes.
Identity and time
| Publication number | OT-2026-000028837 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9c-7d0e-8dbe-ee7ec2e91d6e · 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-2026-000028837 |
| Status | PUBLIC |
Content hashes
| Canonical text | 900698849d8adc43b17efeb5ef5ebf04d81ce9ec4943fbc4a086338c95a598e7 |
|---|---|
| Markdown | ad701ce8654997350eb6e497d8c60023b4cdcb754b794a4eb64a9e0406f95f4a |
| Publication page | 7ee1816161903a7f11f9741ffb2d211eb98b4d1ac83acf698af45e124679872a |
| Manifest | 69312d3df5c8dfed01623b51ab5dd311e3588dbd3e3e4cf6431c8315fba7fc24 |
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 | RHGuIH8zlnPaPzP1wKcqjzlcTnY6OWHprb34h6CnICqUZvEZ8082FiOCfw1hWAWcLCRqKl6mg9+w3drThDlYAw== |
| 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
| 2026-09-17T08:20:06.707845Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028837observed 7ee1816161903a7f11f9741ffb2d211e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:06.690110Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028837/manifest.jsonobserved 69312d3df5c8dfed01623b51ab5dd311...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:06.545464Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028837/publication.mdobserved ad701ce8654997350eb6e497d8c60023...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:06.527053Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028837/publication.txtobserved 900698849d8adc43b17efeb5ef5ebf04...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. |
|---|