OpenTechnical

OT-2026-000065932

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after set-down

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-2026-000065932) never changes.

Identity and time

Publication numberOT-2026-000065932 · never reused
Internal UUID01a0ae8e-8dc1-7344-b125-a455cede93a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065932
StatusPUBLIC

Content hashes

Canonical text54920576a2b57f26cf26395d4e03a1f5c2796b56c33c99a4ee7f0c3da951973d
Markdown348f684abf5ef600217647255de41b4ab8fe05ebf3092d3b0c52fec24bf0dc63
PDF
Publication pagecd03de4abac90c5a65239cf6d6c574a56869b4624ee89e94b87d7594249c3bba
Manifest63b0b40dfc9e561a03c23ff290f84c0adeddd580986ede94ccc9c762c6ba2f03

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
SignatureeZf/7DZWVwAZoYULzhgCWKuRUORMDFOplVymk8FPrpapVZ1nzhnQnIJanrETFQLKHhxNIOK+rsWYu+Z2cwkRAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T08:50:12.540036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065932
observed cd03de4abac90c5a65239cf6d6c574a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:12.514581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065932/manifest.json
observed 63b0b40dfc9e561a03c23ff290f84c0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:12.491403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065932/publication.md
observed 348f684abf5ef600217647255de41b4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:12.343398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065932/publication.txt
observed 54920576a2b57f26cf26395d4e03a1f5...
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.