OT-2026-000090938
Publication integrity record
Two cup vacuum gripper, two zone face, common isolation valve, 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-2026-000090938) never changes.
Identity and time
| Publication number | OT-2026-000090938 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c011-7681-b515-198f3bf73a12 · 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-2026-000090938 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7d0a49998d04091f9e8b7ec9cc62592d331d54a6f516061571603c6ef8d2ddb0 |
|---|---|
| Markdown | e603594f3f4d5c2c65fa719121dad4ec9f1783e7b145b7c5dcd56fc528372704 |
| Publication page | 06b1cde35e4e462da924dd04327f3e64b623298ed3ae348e5b867ec836ead7ee |
| Manifest | 09c3a8b9b66f03ed1fb143563481c67df20bf9dfe29bbf87707b7f4307479095 |
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 | 2cIzkbp2hDWQ+rcP2kri0h2rr2j0cI2eBpitoCau40UIp+JL2OoaZe/v3+v8CI+vf3HnVXiw8SIczGNhVNH5Aw== |
| 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
| 2026-09-17T09:44:09.638771Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090938observed 06b1cde35e4e462da924dd04327f3e64...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:09.620268Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090938/manifest.jsonobserved 09c3a8b9b66f03ed1fb143563481c67d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:09.599712Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090938/publication.mdobserved e603594f3f4d5c2c65fa719121dad4ec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:09.581696Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090938/publication.txtobserved 7d0a49998d04091f9e8b7ec9cc62592d...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. |
|---|