OT-2026-000015228
Publication integrity record
Single bellows cup vacuum gripper, two stage ejector, 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-2026-000015228) never changes.
Identity and time
| Publication number | OT-2026-000015228 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef48-7dca-bc27-0c2149b665c5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:55.421510Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000015228 |
| Status | PUBLIC |
Content hashes
| Canonical text | fa18f1de11b8c11e0257f7128d10e16d8cbf19fb94c2dcb6c8fa59b24c48ef65 |
|---|---|
| Markdown | 2d02a411b9c5f2d96e263be49e235aae10daed29487f28c73ba6966e9cee9a8b |
| Publication page | e3974c37eeeb5c43a72d386e81dce582b2656918ba39a72cdafcac5bf51e59ec |
| Manifest | dbac7b0b2146d43368f29387973f8fdd715a9c913654507c52fd86d5869f00e7 |
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 | bsrSM1K8vg/Y+ZA4WSu/vIgaye1X1fbJCOt6ikfLsVxtiqHtEBjhbFnRm49T5Avh8lRzHz9vltTYB0hfkYvFDw== |
| 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
| 2026-09-17T12:05:52.176512Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015228observed e3974c37eeeb5c43a72d386e81dce582...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:05:52.158713Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015228/manifest.jsonobserved dbac7b0b2146d43368f29387973f8fdd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:52.139209Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015228/publication.mdobserved 2d02a411b9c5f2d96e263be49e235aae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:52.119643Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015228/publication.txtobserved fa18f1de11b8c11e0257f7128d10e16d...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. |
|---|