OT-2026-000100515
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000100515) never changes.
Identity and time
| Publication number | OT-2026-000100515 · never reused |
|---|---|
| Internal UUID | 01a0aea3-66f0-790a-9938-7754afed5a4d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:12:19.463543Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000100515 |
| Status | PUBLIC |
Content hashes
| Canonical text | 78f0cec349479ec906f0d4423fd6435cf923026b024d894f4e74d4c6d5afecc4 |
|---|---|
| Markdown | 8fb20601359795f0efb0825598bfecab7902fb85cb125f1e34fced927e8ef5b5 |
| Publication page | 242546ba91a64b1b47dc0b1a31351a0de65efbdc07169f238c51e973cb9599bb |
| Manifest | 516d37dc0c00dda10f5b9eb3039f5237d7c630718e04509012b23a888348ba66 |
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 | wQCvkQ32nkTL9zCl8SCgbfVe7Em1eqSUNtqNCRCMnQKCteuHqYpWEvaS2qaqmj5oIOEL1+QTfJ6DALrELv8PBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:27:04Z batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof root 095d30148a2ef87d42d7818ebe7543f9... |
|---|
Independent retrieval
| 2026-09-17T09:27:16.913351Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100515observed 242546ba91a64b1b47dc0b1a31351a0d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:27:16.896958Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100515/manifest.jsonobserved 516d37dc0c00dda10f5b9eb3039f5237...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:27:16.881534Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100515/publication.mdobserved 8fb20601359795f0efb0825598bfecab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:27:16.865205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100515/publication.txtobserved 78f0cec349479ec906f0d4423fd6435c...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. |
|---|