OT-2026-000090717
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000090717) never changes.
Identity and time
| Publication number | OT-2026-000090717 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f31-7d7b-aff5-cb4349f57c69 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090717 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8cb6b6953b4626a39b4e1033336efb9372e14618e90f698eb631707189153d24 |
|---|---|
| Markdown | 1d3f3a3971f86dd2bcf1ac6dfe9b6511be2851175950565b2175e8c903d2bfdf |
| Publication page | 66cc5f899bee822c00bf009f599c2856c21976fecea2be4cab32b2c3fa42f455 |
| Manifest | 69fb1b82a168c9610a66dc020e3702bb5f64f67e42ddb5785cb28e2f312dc010 |
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 | JkNNxYMOBvaXXOsIJqVOkl5wz+eZEDbAGbMSHEkpFY7i8ssMUrUZcUkjnRkNjVpS2/JdxqFUZ4LP4PT/w9hJCg== |
| 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
| 2026-09-17T09:44:22.215728Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090717observed 66cc5f899bee822c00bf009f599c2856...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:22.197168Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090717/manifest.jsonobserved 69fb1b82a168c9610a66dc020e3702bb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:22.179184Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090717/publication.mdobserved 1d3f3a3971f86dd2bcf1ac6dfe9b6511...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:22.161774Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090717/publication.txtobserved 8cb6b6953b4626a39b4e1033336efb93...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. |
|---|