OT-2026-000018413
Publication integrity record
Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line 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-2026-000018413) never changes.
Identity and time
| Publication number | OT-2026-000018413 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-b489-7a48-8b4a-1a9c6a29d17f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:45.971508Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000018413 |
| Status | PUBLIC |
Content hashes
| Canonical text | a4ae28ddfd85d3a4201d47399edae6dbfa624ba734aeb063ce545f76d78ecaaf |
|---|---|
| Markdown | 7eda5146d8ca9a405d1dff132585fb9de86a67828d15062780e112c059ae549c |
| Publication page | 2edfaf5a620a1a2541bcf956959f8dc09eb19166db8e969111321ff2933b689e |
| Manifest | a1c3f1e1037ab6c526d0b026e50d543cac2d0deb4d4a7373b1e9132ca26cd28e |
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 | iAb9WJ1KFb+RALyajMbmGeTjJWJUPQRslkbZkxfP2N7B8JlJELaWcp3ZzZa1kc1g9VtIZzqhXJkqKdJj77ruAw== |
| 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
| 2026-09-17T12:01:09.490965Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018413observed 2edfaf5a620a1a2541bcf956959f8dc0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:01:09.471864Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018413/manifest.jsonobserved a1c3f1e1037ab6c526d0b026e50d543c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:01:09.452594Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018413/publication.mdobserved 7eda5146d8ca9a405d1dff132585fb9d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:01:09.433503Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018413/publication.txtobserved a4ae28ddfd85d3a4201d47399edae6db...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. |
|---|