OT-2026-000030581
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000030581) never changes.
Identity and time
| Publication number | OT-2026-000030581 · never reused |
|---|---|
| Internal UUID | 01a0ae73-e505-71cf-8633-c71d29398937 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:26.007257Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030581 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4b648324dfeeefd97b5b5fbcd7b69a898c344fb8a5646d406112f1508aa385cc |
|---|---|
| Markdown | 2175a55391603795259c7439f22451a71ac014f3d7bee9f798833586fac0ef0f |
| Publication page | b6219e7fafd53976f8ef52ce3f91f62dd593ccda5439b27acb68961dc2d94bb7 |
| Manifest | 8380a764d8987dfedb4c47e087f16451a91d156e7bcc84aae44fc7e89dfe5748 |
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 | vSk80bNzrCBg2/8W4QPCxqSIbgYbraYOUbkzkhW3ETwuGqA8ckK6rsPg3WQZZibSPC3CcxAoxRrdeZ0oQtrGAQ== |
| 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
| 2026-09-17T11:38:27.380095Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030581observed b6219e7fafd53976f8ef52ce3f91f62d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:27.364507Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030581/manifest.jsonobserved 8380a764d8987dfedb4c47e087f16451...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:27.347814Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030581/publication.mdobserved 2175a55391603795259c7439f22451a7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:27.328961Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030581/publication.txtobserved 4b648324dfeeefd97b5b5fbcd7b69a89...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. |
|---|