OT-2026-000087947
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-2026-000087947) never changes.
Identity and time
| Publication number | OT-2026-000087947 · never reused |
|---|---|
| Internal UUID | 01a0ae9b-1aa6-7fad-a015-d3da79d3ad79 · 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-2026-000087947 |
| Status | PUBLIC |
Content hashes
| Canonical text | 301ad09552e2aa696bb19bef9d744bcaa656868463931c5fa78009d1f78f3468 |
|---|---|
| Markdown | ac6e916c419da6da13f4d11393fa0c9a0404e2fa99690235086d63106dd4153c |
| Publication page | bb7f84178c80e67b2cfb6f23cbed672a9cd65a87f69f695bce03729defa94bc2 |
| Manifest | cdd804632c81e620d2bb91c21ebaf53c356602158b5165e506975169d99972cf |
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 | Y6h+IO+fAbCLJB45JWPYbs0XXp1kZGfYr78itgLOCMTL/18ehboVeAFvdF/9WfR4IQUPTHkbXjt6ZQXOGmPiAg== |
| 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
| 2026-09-17T09:49:11.432077Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087947observed bb7f84178c80e67b2cfb6f23cbed672a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:49:11.415273Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087947/manifest.jsonobserved cdd804632c81e620d2bb91c21ebaf53c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:49:11.398349Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087947/publication.mdobserved ac6e916c419da6da13f4d11393fa0c9a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:49:11.381153Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087947/publication.txtobserved 301ad09552e2aa696bb19bef9d744bca...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. |
|---|