OT-2026-000012807
Publication integrity record
Foam pad vacuum gripper, four zone face, pump fed, pulsed 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-2026-000012807) never changes.
Identity and time
| Publication number | OT-2026-000012807 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-5563-75d9-bfda-b5c237f535fa · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:16.019734Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012807 |
| Status | PUBLIC |
Content hashes
| Canonical text | 52f9ac95521eee15cfafd029b8163f9f52f91d3fd80732913e991e29f30db262 |
|---|---|
| Markdown | 42cb28c86744d0de3db586528acdd88ee5eeddc0efd65c5a7df96437f220af87 |
| Publication page | bf3138c85bfe4d93d17408879551e9735e77c31b543191531aaa9a0a809ff01a |
| Manifest | 816f179c7c7ac47bd3a462f93bfe66c84b6656a66554a7a7e704f9048db552e9 |
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 | P/wd1Mrj00mG59MG3/KMfOtIYr5+JF4bg8LKFgD1c297V6tQmpUopD3CkdLx/4eGF4TFm9KUuObZVrPBWdkgCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T12:10:32.207592Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012807observed bf3138c85bfe4d93d17408879551e973...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:10:32.187950Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012807/manifest.jsonobserved 816f179c7c7ac47bd3a462f93bfe66c8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:32.169290Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012807/publication.mdobserved 42cb28c86744d0de3db586528acdd88e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:32.149951Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012807/publication.txtobserved 52f9ac95521eee15cfafd029b8163f9f...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. |
|---|