OT-2026-000019350
Publication integrity record
Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000019350) never changes.
Identity and time
| Publication number | OT-2026-000019350 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f392-775f-ae5d-5faa16603278 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019350 |
| Status | PUBLIC |
Content hashes
| Canonical text | 53dfe26f82d9cf2a5fdc5a27e63b02cfc41d47157ff75ab5f50441038ea140ae |
|---|---|
| Markdown | f2f428ad33f7aa5082821a4fe87b6c3e8759efa544b2dad96ecdc816db830f2c |
| Publication page | 44335dcf479c719f474c9f734af35439ec4cd5f68624b5fdedc7645c9b3e21e9 |
| Manifest | 2214afce2d63220c7b21532950afb6f0e36bd0b6d934c45c2da27b0b42d71183 |
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 | rRC7/BJ0OqRevEnsJjdHAgqs5/Fp/hruWLmYis8OWSwjDQqV9cXqkDZ4RiIwRU5FOGZv/+4bUqf99ihgukMDDw== |
| 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
| 2026-10-01T04:41:44.734147Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019350observed 44335dcf479c719f474c9f734af35439...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-01T04:41:44.678752Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019350/manifest.jsonobserved 2214afce2d63220c7b21532950afb6f0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T04:41:44.607657Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019350/publication.mdobserved f2f428ad33f7aa5082821a4fe87b6c3e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T04:41:44.516058Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019350/publication.txtobserved 53dfe26f82d9cf2a5fdc5a27e63b02cf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T00:41:05.501715Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019350observed 44335dcf479c719f474c9f734af35439...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T00:41:05.441152Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019350/manifest.jsonobserved 2214afce2d63220c7b21532950afb6f0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T00:41:05.391551Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019350/publication.mdobserved f2f428ad33f7aa5082821a4fe87b6c3e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T00:41:05.326289Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019350/publication.txtobserved 53dfe26f82d9cf2a5fdc5a27e63b02cf...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 |
|---|