OpenTechnical

OT-2026-000041280

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, pulsed 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-2026-000041280) never changes.

Identity and time

Publication numberOT-2026-000041280 · never reused
Internal UUID01a0ae79-b144-79b2-a576-721da0549eb4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041280
StatusPUBLIC

Content hashes

Canonical text2793ad211117ca6ddb5ee1bf3b93df6ac8e67dd9af7557635bdc1930bf50eae1
Markdowna4bd7f48194837d73c502a25a114e0b85aa8ecfbd13d68cf42fb360013af1eae
PDF
Publication page2db8ac84a9ccd2e12e0a058b984a41f4fae292aaea349bf5c273191ad7ae4bbd
Manifeste79d385a7a98ffa95ebf47d0b6cc18768cdcc1ee77104f93f0d973363401bc1f

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
SignatureSgpOEkOq+a7tN5K4K5boeb/AqXRmz78k8veDDLwyNsYjs6seVSh2ZIwIyV/CbEC0ZcJ5iBrmqlr8NsqH5ZhYAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:17:15.484287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041280
observed 2db8ac84a9ccd2e12e0a058b984a41f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:15.464728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041280/manifest.json
observed e79d385a7a98ffa95ebf47d0b6cc1876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:15.446566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041280/publication.md
observed a4bd7f48194837d73c502a25a114e0b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:15.427483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041280/publication.txt
observed 2793ad211117ca6ddb5ee1bf3b93df6a...
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.