OT-2026-000027881
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000027881) never changes.
Identity and time
| Publication number | OT-2026-000027881 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a4a5-7619-b235-7ca024f8165a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000027881 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9f82bdd7a3c745ba009a0fe6368f8f04cc3c7fdda0cb8c69c91fd6fd7fb518e9 |
|---|---|
| Markdown | 16b5dd65a40aa2dfa1115e729c6bf5da7a03b78bb70cf093e6ecb4adb9da0783 |
| Publication page | 5e95585bd7afbc8722705d4cfdea954da8024782b2b49daa1be5980fea353578 |
| Manifest | 1ab86e594636393341072c0568ccd8770f7553e6ab07736725e4bb3f9286a6a7 |
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 | 84Y+Lx/bRGFrcA2zFRcmdM2O2WH05LjlG9djSDWnR7Klw37olOp1oIryRFbr/SDiLt0zJVbZCzl2gDZOufWlDg== |
| 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
| 2026-09-17T11:42:02.659009Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027881observed 5e95585bd7afbc8722705d4cfdea954d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:02.641451Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027881/manifest.jsonobserved 1ab86e594636393341072c0568ccd877...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:02.621680Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027881/publication.mdobserved 16b5dd65a40aa2dfa1115e729c6bf5da...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:02.602949Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027881/publication.txtobserved 9f82bdd7a3c745ba009a0fe6368f8f04...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. |
|---|