OT-2026-000015143
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pulsed 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-2026-000015143) never changes.
Identity and time
| Publication number | OT-2026-000015143 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef47-77ff-9f44-034a6962f77a · 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-2026-000015143 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2a2e033a4570ebf97ab342df8f7a0f5fd71aeed420976b4f4d9384210d03802d |
|---|---|
| Markdown | d4bcab772df9f9aa85cd1fbe4d10c737a63fb585421ff1e19e02e55bd55abcec |
| Publication page | 8ac08dddc646e51fee63b5b2c8cbf11ac700964f7dd4c70468a1ba156e66a971 |
| Manifest | cf700d4041d3ea327d7d6e2bcc702afbe7dab02e4ad3f4efec417eb9a286e7bb |
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 | VZAv93FhuwMd5Zh/bFhFzEsKRQjDL24FddRVUZ6XHdCqUkGkjsMPn+7a4tlfw9nqC3NabhdZtduzYe67cjcSCA== |
| 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
| 2026-09-17T12:05:44.871386Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015143observed 8ac08dddc646e51fee63b5b2c8cbf11a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:05:44.851357Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015143/manifest.jsonobserved cf700d4041d3ea327d7d6e2bcc702afb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:44.830674Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015143/publication.mdobserved d4bcab772df9f9aa85cd1fbe4d10c737...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:44.812005Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015143/publication.txtobserved 2a2e033a4570ebf97ab342df8f7a0f5f...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. |
|---|