OT-2026-000021453
Publication integrity record
Single cup vacuum gripper, three stage ejector, sustained 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-2026-000021453) never changes.
Identity and time
| Publication number | OT-2026-000021453 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-7e84-a6d5-abb2424d9742 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021453 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0c0531bc78fd3ccdf19d6beae4fab86ea0506f8e2fb5ffe8088081e833a7aca1 |
|---|---|
| Markdown | 5ac0dcfb5f557a8f70f2da52a8c45323ae085e0874ad0f62a867f1745e51cde6 |
| Publication page | ec745342cfbaa172e1a9d25b6b0ddda5cecf8c09181adf3f3dc09d2ff8bb9be4 |
| Manifest | 92a9191d28a9f3e7ac6745dc1b169a3557bf467cfbc4c6274768e5f529979faf |
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 | Akw1+MJIbt0j95ys5wEmUXMUHNPJDL6DkDc4foaNhtCkQa57eKY+bNmWkvI521o9UHtBMOESYehrlku13DpHBw== |
| 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
| 2026-09-17T11:55:15.350192Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021453observed ec745342cfbaa172e1a9d25b6b0ddda5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:15.329746Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021453/manifest.jsonobserved 92a9191d28a9f3e7ac6745dc1b169a35...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:15.308677Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021453/publication.mdobserved 5ac0dcfb5f557a8f70f2da52a8c45323...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:15.287680Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021453/publication.txtobserved 0c0531bc78fd3ccdf19d6beae4fab86e...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. |
|---|