OT-2026-000028428
Publication integrity record
Single bellows cup vacuum gripper, pump fed, 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-2026-000028428) never changes.
Identity and time
| Publication number | OT-2026-000028428 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f6-7b97-819d-70e86fe904fb · 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-2026-000028428 |
| Status | PUBLIC |
Content hashes
| Canonical text | e32a449197d74833c87a4f7755582d5f3d1dd1e436cf16baf7e391fe6926b314 |
|---|---|
| Markdown | 2ab2d6ae2702aafafa01990873b6d1176a1b8fbcdc3f957a2625c3a51dd64487 |
| Publication page | b383a5aeac1b6c7ecb0a95f88e22a187e721d5430a7ea0c5ca958fd67d1e621e |
| Manifest | c34b9e82f4e2f4da75d46975d482033b03afd591ebee9e17e8bf9be45da656da |
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 | 9illVViC+K5egvcIOTT39c9Np3aT64i/BFHOmNO2Ol/rcSIo5C7/nkt2LBfhRn126fY/WzC6Pz+/bBD3vcQMCQ== |
| 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
| 2026-09-17T11:40:33.693975Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028428observed b383a5aeac1b6c7ecb0a95f88e22a187...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:33.677361Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028428/manifest.jsonobserved c34b9e82f4e2f4da75d46975d482033b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:33.660551Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028428/publication.mdobserved 2ab2d6ae2702aafafa01990873b6d117...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:33.643794Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028428/publication.txtobserved e32a449197d74833c87a4f7755582d5f...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. |
|---|