OT-2026-000019481
Publication integrity record
Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down
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-2026-000019481) never changes.
Identity and time
| Publication number | OT-2026-000019481 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-74c8-a6fb-374437426ebf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019481 |
| Status | PUBLIC |
Content hashes
| Canonical text | cacb44e9645a16c48855643d3f5a60b590028cc8eaffe077a3a7ef4f217728f3 |
|---|---|
| Markdown | 2c18481908d2e6cadc54a4bf7f972e9a2236377c8ace170f41283873c38deb2f |
| Publication page | d68e10b61932c1deea5104f1c0836ae315aa02296cd3e171d0bff10d99caf2b2 |
| Manifest | d6ff9b80a15364a80fad85090f86a8ebc48ef74460115b65f953a96cd304dff7 |
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 | HoarBH5XpLafId4pjAQpBDr3xWDQ/fQNCH71XiZtQ9IOYMwuW9lvMpM6ur4VV2eWQHBJ7EEWkoAJqWPRwI4NAA== |
| 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
| 2026-09-17T11:58:54.132460Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019481observed d68e10b61932c1deea5104f1c0836ae3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:54.112678Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019481/manifest.jsonobserved d6ff9b80a15364a80fad85090f86a8eb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:54.094342Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019481/publication.mdobserved 2c18481908d2e6cadc54a4bf7f972e9a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:54.076009Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019481/publication.txtobserved cacb44e9645a16c48855643d3f5a60b5...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. |
|---|