OT-2026-000090311
Publication integrity record
Two cup vacuum gripper, two zone face, 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-2026-000090311) never changes.
Identity and time
| Publication number | OT-2026-000090311 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-4290-7def-a2f3-6e27a03fb2ac · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:31.390046Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090311 |
| Status | PUBLIC |
Content hashes
| Canonical text | 483097d9eb06e7a6987a9241919ac04300c3c15c8f89c2c02383a7ad68088102 |
|---|---|
| Markdown | 4c12a25c4de2c77fd221660d2a3ce7f035f5a4b7ab1975fe80a86e809f1a2980 |
| Publication page | 6c0e635cfb6991a547ad0b0a5a3da750eda11b0116a847885e930b55ea0f9d70 |
| Manifest | 1bb5fa5c3115a68a1556019ba44b1cc98807933a0190ad4917a6f94777226191 |
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 | U37u4GozIxWJP2luU2XlqbbtLnmBkEjUpdE1gqFOPHsRlkII4iBn9dGzEXTOiVF1NA6YIeY0dWX+2RNBjUWcDg== |
| 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
| 2026-09-17T09:46:23.968850Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090311observed 6c0e635cfb6991a547ad0b0a5a3da750...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:46:23.951905Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090311/manifest.jsonobserved 1bb5fa5c3115a68a1556019ba44b1cc9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:23.932383Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090311/publication.mdobserved 4c12a25c4de2c77fd221660d2a3ce7f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:23.914425Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090311/publication.txtobserved 483097d9eb06e7a6987a9241919ac043...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. |
|---|