OpenTechnical

OT-2026-000074560

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000074560) never changes.

Identity and time

Publication numberOT-2026-000074560 · never reused
Internal UUID01a0ae93-717b-73b1-91d7-bf86e6bb26ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074560
StatusPUBLIC

Content hashes

Canonical textdf89d92a75b78cc2f8fe98f0e3731c3b6976dab92e542043013011ee1e1b7f5b
Markdown0b93389d063b389c7dfa28679a61d31bb0b90dd7dca9737ca010017637816df5
PDF
Publication page790168ea8c40e0679d60815d6b0a4e462666e6e20225849efd2a9a843433d623
Manifestc8d4c310edb60c82bafa56f5d63dc601961a42a374b2a7fe6004c4c32dac6ddd

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
SignatureZ4MVK9BqX+2uB1L/z+fwsTexObYPVhoXMVkT0X3JI4dJGiZFUr0KadoBLi9838X2d1I8GfB/LGICIra3lyQwCA==
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

2026-09-17T10:19:34.450645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074560
observed 790168ea8c40e0679d60815d6b0a4e46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:34.430823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074560/manifest.json
observed c8d4c310edb60c82bafa56f5d63dc601...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:34.412298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074560/publication.md
observed 0b93389d063b389c7dfa28679a61d31b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:34.392820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074560/publication.txt
observed df89d92a75b78cc2f8fe98f0e3731c3b...
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.