OT-2026-000019497
Publication integrity record
Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000019497) never changes.
Identity and time
| Publication number | OT-2026-000019497 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-7cb5-a240-72753addbd7a · 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-2026-000019497 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2b36a20235bc6ed9f21f2b2b98ee0ffee5aba364ec7a4789d0bef2987d2ba94a |
|---|---|
| Markdown | 3bf11060c6c03c51f64c60aae79fbe9f65dfc1f14fd96f1851ce0abfeef7d6e6 |
| Publication page | 0f530e4396b0d38944e6ef573417b131bf6b14424eadfa42739c634b86ae9522 |
| Manifest | fd97ef4e88a6b41f08b7b3d5b1724e2b39f0c4560e08bf1f1f31539d705925a8 |
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 | 86ZWAQtL86ABVUfLXHXnxv16k3dQccu+zN0DEouFXsv8ZMaHf74TcJRB1ppa6VzNjb9W7WQcfiJSlhi6Ip/GCA== |
| 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
| 2026-09-17T11:58:55.524553Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019497observed 0f530e4396b0d38944e6ef573417b131...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:55.505298Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019497/manifest.jsonobserved fd97ef4e88a6b41f08b7b3d5b1724e2b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:55.485753Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019497/publication.mdobserved 3bf11060c6c03c51f64c60aae79fbe9f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:55.468129Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019497/publication.txtobserved 2b36a20235bc6ed9f21f2b2b98ee0ffe...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. |
|---|