OT-2026-000019853
Publication integrity record
Four cup vacuum gripper, four outlet manifold, plant vacuum 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-2026-000019853) never changes.
Identity and time
| Publication number | OT-2026-000019853 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb6-79d1-bc3b-c7c9c99c537c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019853 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2a55c3b983562f150b985e7447a3d878f8ed3f5ef3a92cd7b9adc20c2a30806b |
|---|---|
| Markdown | 947b687f2656f128141f88ea3cc0b7e9f8aefe41f26a4078a32b0fca632df76d |
| Publication page | 8c67285e73e428a489c1ab99403e13d97b23cabe543edb2db3340a407af5f914 |
| Manifest | 84f77a5f6ecbade38c6e6266b05882f8884868fe95acb94bfcc5074b21a5cd1e |
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 | bb01s3I/hiwVrvN8klYLnS3Uc+8XZFAXr0sUcwmAKuIxQ5Us4pMmq/BLb7FI3KAICBmbmdZS4ncXftAGWHYCCg== |
| 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
| 2026-09-17T11:58:03.258664Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019853observed 8c67285e73e428a489c1ab99403e13d9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:03.240553Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019853/manifest.jsonobserved 84f77a5f6ecbade38c6e6266b05882f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:03.222936Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019853/publication.mdobserved 947b687f2656f128141f88ea3cc0b7e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:03.205840Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019853/publication.txtobserved 2a55c3b983562f150b985e7447a3d878...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. |
|---|