OT-2026-000020671
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000020671) never changes.
Identity and time
| Publication number | OT-2026-000020671 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e2-7d2e-968f-303fbc6ae883 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020671 |
| Status | PUBLIC |
Content hashes
| Canonical text | 521d998acc886a3dafd52bebfd5cf4daaf317b41419241bcfe1479094a3b526f |
|---|---|
| Markdown | d25c3f9e51eda8b5a534652ca4dc716b800bc3cbaf2a979080ad0f6854700d67 |
| Publication page | 197a8bcf74280e1236c26e82a6c318706709bdde0c1225dc9fce7c8c6de0a840 |
| Manifest | 1b8efa7ed02d2c9c65c46bf4e688dac3f033e51edb3066509742125c645d55d7 |
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 | spPtnj5XAZVJdXkPR5et440bEuVQV1jTohQey6LpF0d74U9/WlPg627q6iTZnZ7dyzUKraRbIs42Xs7NiYFKBQ== |
| 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
| 2026-09-17T11:55:37.819010Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020671observed 197a8bcf74280e1236c26e82a6c31870...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:37.801234Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020671/manifest.jsonobserved 1b8efa7ed02d2c9c65c46bf4e688dac3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:37.782633Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020671/publication.mdobserved d25c3f9e51eda8b5a534652ca4dc716b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:37.766845Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020671/publication.txtobserved 521d998acc886a3dafd52bebfd5cf4da...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. |
|---|