OT-2026-000014021
Publication integrity record
Single cup vacuum gripper, plant vacuum 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-2026-000014021) never changes.
Identity and time
| Publication number | OT-2026-000014021 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8deb-716e-b211-27e1fb4f9e4e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000014021 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5bcabae43b102c93210c66e2fe5e9066baf54489d9eeb6d79d5380c376dcce9a |
|---|---|
| Markdown | 7e892ea52209d30a86c88a4f657e873c668f5af573d3557340eda2a51c479aff |
| Publication page | 2b4b1c48f1e76db947ca99dfe27b25cc01d4b01ed6aa741392723b51a9201b6a |
| Manifest | ab9375241ac9b1cc7c953533d56272aa2c8dd0682a66236533a928030db7a0d5 |
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 | DBSi66ebLGFX4pVZ+TB9hm5f0ri9TjncKf/zqsldXt3w7rVGnvEYozK5x8qafehtR0b8r65PQg5cHhPm/ZzACw== |
| 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
| 2026-09-17T12:09:14.895908Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014021observed 2b4b1c48f1e76db947ca99dfe27b25cc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:09:14.876439Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014021/manifest.jsonobserved ab9375241ac9b1cc7c953533d56272aa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:14.857767Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014021/publication.mdobserved 7e892ea52209d30a86c88a4f657e873c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:14.839951Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014021/publication.txtobserved 5bcabae43b102c93210c66e2fe5e9066...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. |
|---|