OT-2026-000007840
Publication integrity record
Four bellows cup vacuum gripper, four zone face, single stage ejector, vented 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-2026-000007840) never changes.
Identity and time
| Publication number | OT-2026-000007840 · never reused |
|---|---|
| Internal UUID | 01a0ae6a-908a-7d92-bdaa-5c624fb6fe56 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:10:14.564317Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007840 |
| Status | PUBLIC |
Content hashes
| Canonical text | b3439e3b91e360a4e5a79e62b6a878be0b73fa77bf05d1f9e8b40be2fc45f907 |
|---|---|
| Markdown | d00eeb13617706ffc4cdbb3bbf6cfa5b11502262e3870f55355a92759a5173e8 |
| Publication page | b1de9b7d8e8ba5add7a80ea901b8cd3dd58776478d79dbd7a86084c861a8d7d0 |
| Manifest | 9f392bc565a9104d428250fe55c0b5e924ad6cf3e14eebfee4a1d3d9854479e0 |
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 | eEgdeCzOtynPgjAOBbpWC9jk8xTYZorQMu6LBiRLm9dlA2mRrYCPMztEhocWGQJuMAR97JTGQrbxzm52BA5nBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:27:08Z batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof root 20fdfaa98ae3657e4211fd7783095876... |
|---|
Independent retrieval
| 2026-09-17T12:20:17.600939Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007840observed b1de9b7d8e8ba5add7a80ea901b8cd3d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:20:17.583521Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007840/manifest.jsonobserved 9f392bc565a9104d428250fe55c0b5e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:20:17.565507Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007840/publication.mdobserved d00eeb13617706ffc4cdbb3bbf6cfa5b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:20:17.548611Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007840/publication.txtobserved b3439e3b91e360a4e5a79e62b6a878be...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:19:50.695228Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007840observed b1de9b7d8e8ba5add7a80ea901b8cd3d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:19:50.676410Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007840/manifest.jsonobserved 9f392bc565a9104d428250fe55c0b5e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:19:50.657874Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007840/publication.mdobserved d00eeb13617706ffc4cdbb3bbf6cfa5b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:19:50.638155Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007840/publication.txtobserved b3439e3b91e360a4e5a79e62b6a878be...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. |
|---|