OT-2026-000018743
Publication integrity record
Four cup vacuum gripper, four zone face, six outlet manifold, single 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-2026-000018743) never changes.
Identity and time
| Publication number | OT-2026-000018743 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-d521-7c1c-a41f-5c6d8996ccf3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:54.261386Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000018743 |
| Status | PUBLIC |
Content hashes
| Canonical text | 749505fdae6d801472306f0ed2d0890fb55117234ac7e7e5eb40bef19d881796 |
|---|---|
| Markdown | 6d9781f39135aa18b279b8fceee61e8b806f41f022c0d717c36a69956d893702 |
| Publication page | 5ddc629c3bd910b7182fa9ccace93ec5ad1ebb9b186147566a21bd38e66861f0 |
| Manifest | f9ec0d8e237bfc97bc85252c2688def7c5578514d56c256a55e767da500cfec8 |
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 | K40EnIkDRhHTtRTiz0gAcg/rP6H9HhkJKsOD7axqJ/l0PZHzdcbE7/N0hqKh2sRED3gybzz2GgizsK8cZJR0Ag== |
| 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
| 2026-09-17T11:59:21.380194Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018743observed 5ddc629c3bd910b7182fa9ccace93ec5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:59:21.362565Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018743/manifest.jsonobserved f9ec0d8e237bfc97bc85252c2688def7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:21.314030Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018743/publication.mdobserved 6d9781f39135aa18b279b8fceee61e8b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:21.267549Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018743/publication.txtobserved 749505fdae6d801472306f0ed2d0890f...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. |
|---|