OT-2026-000005894
Publication integrity record
Vacuum cup gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000005894) never changes.
Identity and time
| Publication number | OT-2026-000005894 · never reused |
|---|---|
| Internal UUID | 01a0a948-646c-7c9e-b641-4d6498520cc2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:14:48.943655Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005894 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7c1c0ec4fd46188a57c6ceb2dd949d2578876ea22b7ba6cd809a39babe465af9 |
|---|---|
| Markdown | 8942bebbf05ef88fedf694646b3f95b94e8222c66d8600fde83e822b8b5605e7 |
| Publication page | e8745eec69bc72b9463de3ea94fd887f8929930f5928c2df84dd617d9e3ac7ae |
| Manifest | bc1e69cff835d873b62794e4534b1f25b70c16868caebf13a69b2e63a6cbcc6f |
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 | Us+Kh5HURbU7NOwrPqCqQGJGZynlSYeSkRFbs5l50BkiqPgPbTnVKq4IQEMdYd+IacgpLIy7pnPKUOUSUjq3Bw== |
| 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
| 2026-09-16T08:20:20.484958Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005894observed e8745eec69bc72b9463de3ea94fd887f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:20:20.466456Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005894/manifest.jsonobserved bc1e69cff835d873b62794e4534b1f25...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:20:20.448465Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005894/publication.mdobserved 8942bebbf05ef88fedf694646b3f95b9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:20:20.426318Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005894/publication.txtobserved 7c1c0ec4fd46188a57c6ceb2dd949d25...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. |
|---|