OT-2026-000021051
Publication integrity record
Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pulsed blow-off before set-down
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-2026-000021051) never changes.
Identity and time
| Publication number | OT-2026-000021051 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e5-7a5c-b9af-899e6fcb095b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021051 |
| Status | PUBLIC |
Content hashes
| Canonical text | daaaefaf19879f3be4adefcb94598f3a7fe9e357fa7e944aee93d37080b0b4a7 |
|---|---|
| Markdown | 6c05177ab007e1ce8598a90f40ea75d24c2658046e1088403d506420e3e5ab35 |
| Publication page | 7243ef5b7afc0d44cd687ad6d33ee35bf4471474a8dcc084ffd56c9bffa49382 |
| Manifest | c9eb59e3b04714b902191b9633a1b83397c7f4b0e8a65c90ef6f9120a5f65ea6 |
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 | GjovV6wC2VscLEOSm+BKk4RAwi765Hv4NOQjGM2OmjEhLDKDLEFAhv+NDQOYIYpIIMs0XWUUYfF1IN577bVmBw== |
| 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
| 2026-10-16T12:41:34.150108Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021051observed 7243ef5b7afc0d44cd687ad6d33ee35b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-16T12:41:34.097368Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021051/manifest.jsonobserved c9eb59e3b04714b902191b9633a1b833...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T12:41:34.036949Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021051/publication.mdobserved 6c05177ab007e1ce8598a90f40ea75d2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T12:41:33.970423Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021051/publication.txtobserved daaaefaf19879f3be4adefcb94598f3a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T04:41:52.259480Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021051observed 7243ef5b7afc0d44cd687ad6d33ee35b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T04:41:52.155391Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021051/manifest.jsonobserved c9eb59e3b04714b902191b9633a1b833...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T04:41:52.030043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021051/publication.mdobserved 6c05177ab007e1ce8598a90f40ea75d2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T04:41:51.929345Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021051/publication.txtobserved daaaefaf19879f3be4adefcb94598f3a...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|