OT-2026-000005740
Publication integrity record
Vacuum cup gripper, four zone face, common isolation valve, pump fed, silicone cups, flat form
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-2026-000005740) never changes.
Identity and time
| Publication number | OT-2026-000005740 · never reused |
|---|---|
| Internal UUID | 01a0a943-3d0a-7263-90d6-db0bb347f471 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:09:11.181276Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005740 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0cfbe10fda3b50c2dc1b4d3b29ab49edc2d3011ef31aa3b243a1b0212d0338a6 |
|---|---|
| Markdown | 7cb69fdc6a6a540c774000eda753bd66cb6408efc23fb46efe34e6a00cca9f42 |
| Publication page | 238629926807d2fd548b4bb6ca368cadd28a7f024ad57ae49aea480f7d16af4f |
| Manifest | 029744c1237b26b355fa39afb881bb4dc6c0c7120e1f3b2bbbfaf79c576b7cd8 |
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 | dF1Adxeiwiz9mf699au3XYJBuP7/h+F/P1NwWE22Dxwfb279Sh12QsHpIIW2eBEx0oo11xsJ8EsWjU7H6bpfAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:27:03Z batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof root dbe93cb6b2158496df2f60f3b6822537... |
|---|
Independent retrieval
| 2026-09-16T08:10:05.389756Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005740observed 238629926807d2fd548b4bb6ca368cad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:10:05.375063Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005740/manifest.jsonobserved 029744c1237b26b355fa39afb881bb4d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:05.238257Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005740/publication.mdobserved 7cb69fdc6a6a540c774000eda753bd66...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:05.221860Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005740/publication.txtobserved 0cfbe10fda3b50c2dc1b4d3b29ab49ed...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. |
|---|