OT-2026-000029780
Publication integrity record
Single bellows 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-2026-000029780) never changes.
Identity and time
| Publication number | OT-2026-000029780 · never reused |
|---|---|
| Internal UUID | 01a0ae73-5e24-7802-a815-8bea9847dccb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:51.545382Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029780 |
| Status | PUBLIC |
Content hashes
| Canonical text | 98e7a4c9e8489efaf823d1910db900fa7e534f60c7e4f0825a107b348d68f15b |
|---|---|
| Markdown | bf0e3df88250a3c0445e8c51f62034294485e6ff6dec66dc84de95e98370d8d2 |
| Publication page | 21d9864ec88e626cb87aa99d90cb2c2804fdeb3700b5137d193e4e611f946745 |
| Manifest | fa83057c06720307909a6c63ce9a3f4820db4e93b1764b90dbdd8b43436af4c8 |
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 | eEMPt492Q1XqP5/esxzL1+yT8xQ3FblY+hYvmCrs5vC9laHLvJjUw004BNOqUyk/bJLzPNnz4aGwBT6W9zKPDA== |
| 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
| 2026-09-17T11:39:32.879814Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029780observed 21d9864ec88e626cb87aa99d90cb2c28...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:39:32.861711Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029780/manifest.jsonobserved fa83057c06720307909a6c63ce9a3f48...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:32.844693Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029780/publication.mdobserved bf0e3df88250a3c0445e8c51f6203429...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:32.825956Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029780/publication.txtobserved 98e7a4c9e8489efaf823d1910db900fa...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. |
|---|