OT-2026-000028268
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-2026-000028268) never changes.
Identity and time
| Publication number | OT-2026-000028268 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f4-72bd-8f79-12d235c7e18f · 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-2026-000028268 |
| Status | PUBLIC |
Content hashes
| Canonical text | 491f5986f65d6adea9d7f27e5cff0752d3ba5fd64d8419b822f937a581ed1493 |
|---|---|
| Markdown | 0dc077fd129cf6173896364e193cceee1da38afeff4269a9865b45e0f76e0f70 |
| Publication page | 0477e8f8b7d503381c53aaa8ab8da8c5b8c96da99650bce53dd81a8aa51ef425 |
| Manifest | 8d58fe23eded00bb988b0888cb44c1af167ec060d085d8da7bfd875ad51e2948 |
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 | TN1fqnZa3SpipuwvdzKQE6FRNV1XaYg6wYsKhwLyJFN86QsfjurGdf+3uG34SxCdq6F5vONe9dzL7V69P3o4DQ== |
| 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
| 2026-09-17T11:40:06.613608Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028268observed 0477e8f8b7d503381c53aaa8ab8da8c5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:06.595104Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028268/manifest.jsonobserved 8d58fe23eded00bb988b0888cb44c1af...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:06.575443Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028268/publication.mdobserved 0dc077fd129cf6173896364e193cceee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:06.555492Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028268/publication.txtobserved 491f5986f65d6adea9d7f27e5cff0752...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. |
|---|