OT-2026-000057728
Publication integrity record
Single bellows cup vacuum gripper, two stage ejector, sustained blow-off after 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-2026-000057728) never changes.
Identity and time
| Publication number | OT-2026-000057728 · never reused |
|---|---|
| Internal UUID | 01a0ae88-2695-7ef4-97bd-8942703d0206 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:33.513637Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057728 |
| Status | PUBLIC |
Content hashes
| Canonical text | bbcefe5abff3e704c43d8a6828a6af7879ee208b31df11a991b5f1257779f548 |
|---|---|
| Markdown | f8fbd60691715f4ddb3aa42934069895ead4940d81e72d9e139dbd4b2c494742 |
| Publication page | 4027e9f318854a4d87d9da3f9d7fff7c2485be70f10de187c8b03f0dcbf1f8a3 |
| Manifest | 8d40b9f7186acc157955ac722b0db070314a3d662b14a9de1e44957fe6827327 |
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 | 4BzQymgOmJS3peHXalJFJyfVFxDWhvzWeb0JkMr4zASt1wJ+if4DoSoZ2qB01XqXaPQKl7hMI+nqwQOjb0uiAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|
Independent retrieval
| 2026-09-17T10:48:24.066039Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057728observed 4027e9f318854a4d87d9da3f9d7fff7c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:48:24.047459Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057728/manifest.jsonobserved 8d40b9f7186acc157955ac722b0db070...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:24.029171Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057728/publication.mdobserved f8fbd60691715f4ddb3aa42934069895...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:24.011858Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057728/publication.txtobserved bbcefe5abff3e704c43d8a6828a6af78...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. |
|---|