OT-2026-000090456
Publication integrity record
Four cup vacuum gripper, four 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-2026-000090456) never changes.
Identity and time
| Publication number | OT-2026-000090456 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2e-7bc6-a4bc-c48e65ded28c · 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-2026-000090456 |
| Status | PUBLIC |
Content hashes
| Canonical text | acf939010cc1810c7394b1501544de82dfcd366689f024d41f29bc9a35a42e5d |
|---|---|
| Markdown | 05131bf8d61bd2c80bcc38bdfaa9211ff8ba475ad9d04c44bb3bd47a0b72ade9 |
| Publication page | 00766f0839cd37e2f0926d991e79a425cb3738f6125e06b54620b9db3403597a |
| Manifest | 11e21522f6d379dea7c6c758eda493d77d4039e2f39599bc23f14bdd7853bbc9 |
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 | WjLF/LM1HpX5pbpbRCde8inocQCIwr5OO6rO9FajNQBtutm1I/ydnKH1Rup896uIOWh4585tsNcB94PUuc/ECQ== |
| 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
| 2026-09-17T09:44:34.851344Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090456observed 00766f0839cd37e2f0926d991e79a425...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:34.833455Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090456/manifest.jsonobserved 11e21522f6d379dea7c6c758eda493d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:34.815481Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090456/publication.mdobserved 05131bf8d61bd2c80bcc38bdfaa9211f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:34.797076Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090456/publication.txtobserved acf939010cc1810c7394b1501544de82...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. |
|---|