OpenTechnical

OT-2026-000004068

Publication integrity record

Vacuum cup gripper, per zone isolation, four outlet manifold, ejector fed, contact triggered

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-2026-000004068) never changes.

Identity and time

Publication numberOT-2026-000004068 · never reused
Internal UUID01a0a90e-2fbf-7ba2-a39c-d57949970f6f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:11:14.370990Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004068
StatusPUBLIC

Content hashes

Canonical textf752a85131d82bb2ab829c27085656f56f87e9d21ff88a595f604d0ab6e6517e
Markdownf5380ee39f037f48e8a1e51109bd413f20c2f4de6d45c0be9ebc88715348d270
PDF
Publication page51fbbf9a731736753a13c54ee65423faabf4c3d52e52a75c6d86cf5b562465ac
Manifestcb740578e2bc1608ee902b551211688677f6b75f0fc7a6d2401e2590ff9a3147

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureW2FFwvRMn+oM1l1Q0XkWl2x+FlXPfMTJt8QhjwQIJaTki8at1NCox5vhV/DMUNOm5anVvs2EjK19eurRbPuGAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:30:35.950322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004068
observed 51fbbf9a731736753a13c54ee65423fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:35.937191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004068/manifest.json
observed cb740578e2bc1608ee902b5512116886...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:35.924474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004068/publication.md
observed f5380ee39f037f48e8a1e51109bd413f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:35.911503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004068/publication.txt
observed f752a85131d82bb2ab829c27085656f5...
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 archivePending 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 packagePending Custody packages are produced weekly.