OT-2026-000017381
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-2026-000017381) never changes.
Identity and time
| Publication number | OT-2026-000017381 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-76c9-79f6-a67f-80a3caf657c4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:30.105855Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000017381 |
| Status | PUBLIC |
Content hashes
| Canonical text | e559a469b4ba3179100219adb5780d181e77fba3d08f12a03fcbe3b1e5a2dd27 |
|---|---|
| Markdown | a17f93c42412bfb8bf122deff54547987d8755c2966784fdcad19ab9d18e7dc5 |
| Publication page | 8a3269a6bcd70190bfe219f446c6f80ebcf144906312bfc8b523bb830e80e80b |
| Manifest | bfb1d354d824a8e437d2e715fa5b34a73f18ecd2000b9d266b82ba58a62fc94f |
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 | f31v1lXEP1X3BEDsUAsGtKamDoNmlr+r6pOasx13eiasfPznfRakZB1iS8l9ebRwQr0uL7sWoyML83J5E1ONDw== |
| 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
| 2026-09-17T12:02:30.162109Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017381observed 8a3269a6bcd70190bfe219f446c6f80e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:02:30.145585Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017381/manifest.jsonobserved bfb1d354d824a8e437d2e715fa5b34a7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:02:30.127685Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017381/publication.mdobserved a17f93c42412bfb8bf122deff5454798...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:02:30.107850Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017381/publication.txtobserved e559a469b4ba3179100219adb5780d18...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. |
|---|