OT-2026-000025828
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000025828) never changes.
Identity and time
| Publication number | OT-2026-000025828 · never reused |
|---|---|
| Internal UUID | 01a0ae71-a83e-78ba-b350-280729c2506e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:17:59.376802Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000025828 |
| Status | PUBLIC |
Content hashes
| Canonical text | f3a621e8a93113f2816d08b589b1ea78810abeb73ae9102b68da1b58ef4c0cf0 |
|---|---|
| Markdown | 553aa2cdc04bba9cac534f9f5ab21b7c2d0a0fa0ec130bbe4d5944a8a0409adc |
| Publication page | 89b2d6eb7ed876894abe302bcaa2c7298104b65048f3519a79957c83bcf24a23 |
| Manifest | 972db3172987d9861a5e5ac5945874fc21f3d9e25ae8f73c7d31c27106dbfe29 |
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 | u3wrinmNbxmaQcaaET1k8YAtoxh+HdG2/9d2vkK4ntqmGnQoD/ESPACV3Gj1+0X2wdKMvsqZbaGqMlXtLCXjAQ== |
| 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
| 2026-11-01T04:41:14.730584Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025828observed 89b2d6eb7ed876894abe302bcaa2c729...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-01T04:41:14.681260Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025828/manifest.jsonobserved 972db3172987d9861a5e5ac5945874fc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T04:41:14.634033Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025828/publication.mdobserved 553aa2cdc04bba9cac534f9f5ab21b7c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T04:41:14.561150Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025828/publication.txtobserved f3a621e8a93113f2816d08b589b1ea78...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T20:41:51.491407Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025828observed 89b2d6eb7ed876894abe302bcaa2c729...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T20:41:51.417595Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025828/manifest.jsonobserved 972db3172987d9861a5e5ac5945874fc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T20:41:51.317978Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025828/publication.mdobserved 553aa2cdc04bba9cac534f9f5ab21b7c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T20:41:51.105048Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025828/publication.txtobserved f3a621e8a93113f2816d08b589b1ea78...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 |
|---|