OT-2026-000020498
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line 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-2026-000020498) never changes.
Identity and time
| Publication number | OT-2026-000020498 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437c-7dc9-b61b-591c9b50a721 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020498 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6aad68e0a1993b6ca03e35e81ad3050d3c623a74395fe0ad874d7629d5d2d682 |
|---|---|
| Markdown | a21603597010aca1e917a11736106a333deeff15d94cbd1cb40840226cbce7cd |
| Publication page | 2a25fd95a19c9bbe58b39f083d35ac6295b9406c4e6c73a615b90d6cc50857ee |
| Manifest | 16d42fee67eaa20c09dc9f5db7b2a958568076b9cb4817a9e80dabe28927b716 |
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 | RqNMM7PKPOW8nn/xGMpju1+6z9MHjClGN3wYmRLBCZ7jz7sWH4sBy5/SixVp45cv4CNaNjuYG+zIeZTTb40KBg== |
| 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
| 2026-09-17T12:00:27.203949Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020498observed 2a25fd95a19c9bbe58b39f083d35ac62...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:27.184114Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020498/manifest.jsonobserved 16d42fee67eaa20c09dc9f5db7b2a958...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:27.163396Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020498/publication.mdobserved a21603597010aca1e917a11736106a33...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:27.139576Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020498/publication.txtobserved 6aad68e0a1993b6ca03e35e81ad3050d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:30.471591Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020498observed 2a25fd95a19c9bbe58b39f083d35ac62...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:30.454012Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020498/manifest.jsonobserved 16d42fee67eaa20c09dc9f5db7b2a958...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:30.433823Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020498/publication.mdobserved a21603597010aca1e917a11736106a33...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:30.416246Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020498/publication.txtobserved 6aad68e0a1993b6ca03e35e81ad3050d...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. |
|---|