OT-2026-000028284
Publication integrity record
Single bellows cup vacuum gripper, single 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-2026-000028284) never changes.
Identity and time
| Publication number | OT-2026-000028284 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-7469-9b47-57ca5365e566 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028284 |
| Status | PUBLIC |
Content hashes
| Canonical text | abb0c4871e5a9d4b0415d38eb6c899a64faf15def60eca02ddd3b438afab9b73 |
|---|---|
| Markdown | 72b0883ce4cb8b0fd06da082030c5d57d384e61027adfe8d0476d98098c02298 |
| Publication page | e12103db935a1ae4c326065e3684255cd69802928d61562dcdff3f262efa95e7 |
| Manifest | 6143d0ea1d0aa1bb840d588594cb42f9c43bebc75da2decc70e3da00c3700c84 |
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 | +4cz4bH2EgPKcJjsQkXngspK3IIoOpf44xaucT7u8YlFd2RYwppvl2GP/38e08eseFtwVzkv669d0GdPtKC4AQ== |
| 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
| 2026-09-17T11:40:09.677030Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028284observed e12103db935a1ae4c326065e3684255c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:09.659573Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028284/manifest.jsonobserved 6143d0ea1d0aa1bb840d588594cb42f9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:09.641828Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028284/publication.mdobserved 72b0883ce4cb8b0fd06da082030c5d57...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:09.623945Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028284/publication.txtobserved abb0c4871e5a9d4b0415d38eb6c899a6...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. |
|---|