OT-2026-000031500
Publication integrity record
Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, sustained blow-off before set-down
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-2026-000031500) never changes.
Identity and time
| Publication number | OT-2026-000031500 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ae-7562-a2d8-a2f3a16e0190 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031500 |
| Status | PUBLIC |
Content hashes
| Canonical text | c70744fa1cda5f657707c759d32ba70dd77f13226d4be33e2813de696d54e71e |
|---|---|
| Markdown | afd405bc2ef7ea8ed49909af85899833bc44bc24603821e61123e01851c5ecb4 |
| Publication page | de2309b46a5b8510ab8cdc1fd587e933dfba00bd7fe088fef0d8c0f2535d380c |
| Manifest | 4e69e466a2c1c60b7ac6b43323679c3bc79a87ccbbfdb986988b5fb054020e82 |
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 | TQxJR8poGpUY8XD8aFr7q7onM8ckg7XG+tVjnPMatD35H4TLjHLcVaD/7C6CMJzxCuqppmsR6qmjkoxCsM8vBQ== |
| 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
| 2026-09-17T11:36:19.794121Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031500observed de2309b46a5b8510ab8cdc1fd587e933...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:36:19.776216Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031500/manifest.jsonobserved 4e69e466a2c1c60b7ac6b43323679c3b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:19.759152Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031500/publication.mdobserved afd405bc2ef7ea8ed49909af85899833...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:19.742646Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031500/publication.txtobserved c70744fa1cda5f657707c759d32ba70d...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. |
|---|