OT-2026-000087948
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, supply line 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-2026-000087948) never changes.
Identity and time
| Publication number | OT-2026-000087948 · never reused |
|---|---|
| Internal UUID | 01a0ae9b-1aa6-783f-8946-a59fcd42724c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:03:15.638297Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000087948 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9e3999f5471d7200491ff18d13eb839fa83c44ee1d074cef53186d8c82e4eb04 |
|---|---|
| Markdown | 869aa1b16bf7ab2b32c0d8d27f97544ec560ad40d5574a6a2bbd5401682ca9fb |
| Publication page | 91a7ecc8e68291f5372d7d72aba59eb36f9c7f6045f9c74797e1a435b2be8c1b |
| Manifest | 830fd3517e28bf77d841ca238bbe3bdb780cef624fa4ebaa7d420762d853ae30 |
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 | 26Kl08Y4FaQT+uzuBqYVJ4BaGcCEW9YMMTfUSgunvOU/YuqoEJv+uQdusUxiZ5zodGRtTrxoftgfSgZmmQlWDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:49:12.814933Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087948observed 91a7ecc8e68291f5372d7d72aba59eb3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:49:12.795497Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087948/manifest.jsonobserved 830fd3517e28bf77d841ca238bbe3bdb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:49:12.773759Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087948/publication.mdobserved 869aa1b16bf7ab2b32c0d8d27f97544e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:49:12.754679Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087948/publication.txtobserved 9e3999f5471d7200491ff18d13eb839f...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. |
|---|