OpenTechnical

OT-2026-000084550

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, sustained blow-off before 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-2026-000084550) never changes.

Identity and time

Publication numberOT-2026-000084550 · never reused
Internal UUID01a0ae98-e25a-7379-887c-632797e6bb90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084550
StatusPUBLIC

Content hashes

Canonical textdf6a37b31d0a6d6c21b720364909ab96013b1cc91c13c47d71250d5151544fd9
Markdownc1c6bdc407afa40642f5d293c02baf1cd8e651c752a64f0d2eb10a46e01a10da
PDF
Publication page7a5866e48d095acf86ae9475c3a48de8174c86430150077946b150418c24583f
Manifest59b9b365256954fb10c5ec7cc1311e55c60c7c96d8562ecb0d69a81ea0186c46

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
SignatureWRG1vyr/h7E8HcGyBNojfHBFCVrYgXNg3IAMtJwnbMs84r2aObCKS/h6Z7HogTEOdiGhyo4PXBiFZVeRTdWlDA==
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

2026-09-17T09:55:26.490022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084550
observed 7a5866e48d095acf86ae9475c3a48de8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:26.471764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084550/manifest.json
observed 59b9b365256954fb10c5ec7cc1311e55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:26.453758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084550/publication.md
observed c1c6bdc407afa40642f5d293c02baf1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:26.424338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084550/publication.txt
observed df6a37b31d0a6d6c21b720364909ab96...
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.