OT-2026-000090815
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, three stage ejector, 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-2026-000090815) never changes.
Identity and time
| Publication number | OT-2026-000090815 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c010-74f4-84c4-5f9636b90a17 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090815 |
| Status | PUBLIC |
Content hashes
| Canonical text | 837cf5d7c225f2bd9cf6af7156f78add5c334616601a7ba50e9e34f01deb6bfa |
|---|---|
| Markdown | 9dedd566b0d81658e8136d59bc6eda39a4be1167de22dd98f380b69d0485ca85 |
| Publication page | c81baf253c55ad225b83269d07fd92d7b15ab2a0ea401d93d98bbfe9c6451a7a |
| Manifest | a77a262ec67bc6f5c9f851ef41656637cb3a1834d0e9e8133ccc15569eb46b78 |
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 | NU1nVHuPAnAs3lvhX9NxoEVjEKrGIRMd9nQspT9eeRj0vFoe00Lpg6Yk8seip7oSctPLy7VCo6FGh7ISzxgoCA== |
| 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
| 2026-09-17T09:44:00.390425Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090815observed c81baf253c55ad225b83269d07fd92d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:00.371352Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090815/manifest.jsonobserved a77a262ec67bc6f5c9f851ef41656637...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:00.353334Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090815/publication.mdobserved 9dedd566b0d81658e8136d59bc6eda39...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:00.335067Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090815/publication.txtobserved 837cf5d7c225f2bd9cf6af7156f78add...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. |
|---|