OT-2026-000028460
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000028460) never changes.
Identity and time
| Publication number | OT-2026-000028460 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f6-7528-a510-0a8571ad88cc · 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-2026-000028460 |
| Status | PUBLIC |
Content hashes
| Canonical text | 83371363d65151ab4e4016bd25d89791ee8cf7aa80c266b99c374d0c167bf52d |
|---|---|
| Markdown | 9a21f4ffd0bdd7c251924347aa67fe721068f07ac0e15ac13160b31dddbd6ba2 |
| Publication page | 4cc5f7c033024ac7bc1d84b34b979ed27027c39bc73e7d7f34038ee99648bf91 |
| Manifest | d6bb352406b6d6c20993709d12d162adab08b16394f104688f3ec3cd08ba347d |
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 | ZeJLI9dwGA51oSI0mWU4RkgCWz82IOZHBxsRmQMxyuLuHCaKkUf3IFOzg7hfekYY32ufC7uA2dDpT3nHmwuTAQ== |
| 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
| 2026-09-17T11:40:36.061797Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028460observed 4cc5f7c033024ac7bc1d84b34b979ed2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:36.045456Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028460/manifest.jsonobserved d6bb352406b6d6c20993709d12d162ad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:36.026397Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028460/publication.mdobserved 9a21f4ffd0bdd7c251924347aa67fe72...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:36.008069Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028460/publication.txtobserved 83371363d65151ab4e4016bd25d89791...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. |
|---|