OT-2026-000007428
Publication integrity record
Vacuum cup gripper, two zone face, pump fed, pressure verified at each zone, rubber cups
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-2026-000007428) never changes.
Identity and time
| Publication number | OT-2026-000007428 · never reused |
|---|---|
| Internal UUID | 01a0a97e-7149-71e0-bca8-2307444caa1d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T09:13:51.180994Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007428 |
| Status | PUBLIC |
Content hashes
| Canonical text | e28e6c943b222b4da92c83433f89a04ec5f48114db46c59400d02ece55be7719 |
|---|---|
| Markdown | 134fe7ddbd36b9b7bce3822a22fed242bcd16497c07884c09ba5f2d5f0733f35 |
| Publication page | a6ac17ec43236fdb4e956d1749d711bc1a674fe8a5442688f7ecece9041ed9a8 |
| Manifest | 90f8f2b1285e6a35e9bfd1230eabcef4c4a2e25a8eecb4c77238b3e4cddbcfa4 |
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 | RqyXhpbNm/KIDytyaWbtF8vazZ1lgKlIMuLTlBM9T9ICQPHBQMqDQ4lK45r89LAPAplNO0yMfmGEyccxbAxPBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:20:33Z batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof root 07bfbe2fb3517c1c41f239fb2e682fbe... |
|---|
Independent retrieval
| 2026-09-16T09:20:05.916101Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007428observed a6ac17ec43236fdb4e956d1749d711bc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:20:05.903240Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007428/manifest.jsonobserved 90f8f2b1285e6a35e9bfd1230eabcef4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:20:05.888545Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007428/publication.mdobserved 134fe7ddbd36b9b7bce3822a22fed242...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:20:05.873638Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007428/publication.txtobserved e28e6c943b222b4da92c83433f89a04e...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. |
|---|