OT-2026-000031592
Publication integrity record
Single bellows cup vacuum gripper, pump fed, 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-2026-000031592) never changes.
Identity and time
| Publication number | OT-2026-000031592 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87af-72f2-ba71-cb56c15c5784 · 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-2026-000031592 |
| Status | PUBLIC |
Content hashes
| Canonical text | 77cd5784708fc2817b399ea60b6d6e8f688a183e397eb213ab23dea98f46f148 |
|---|---|
| Markdown | 0df6216c530a204e370d7c26f0233353d9a8fcae8f239bddb97706387b14bb00 |
| Publication page | 7e91bf6bd8f08b43c52aa5b41c452a13b3c1949736f5bb2d27933856c54f0266 |
| Manifest | 00b84e55533351204e63a2c15e6b5e22348e6237558fe91440b55e699c624ab9 |
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 | +EFytv89pgZgox7nb1eK/AjLWwkQ7yg4JSFIhx/8e97gKWJXLNdSTPQT04xQ0zrd7heUHP6tRFWI+sz5KP/NBg== |
| 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
| 2026-09-17T11:36:26.850675Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031592observed 7e91bf6bd8f08b43c52aa5b41c452a13...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:36:26.834122Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031592/manifest.jsonobserved 00b84e55533351204e63a2c15e6b5e22...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:26.818866Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031592/publication.mdobserved 0df6216c530a204e370d7c26f0233353...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:26.800457Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031592/publication.txtobserved 77cd5784708fc2817b399ea60b6d6e8f...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. |
|---|