OpenTechnical

OT-2026-000068160

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000068160) never changes.

Identity and time

Publication numberOT-2026-000068160 · never reused
Internal UUID01a0ae8f-c4ff-7139-b593-de3bf0a09aef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068160
StatusPUBLIC

Content hashes

Canonical text1aa4c9a7152f953f55a50e46ce6ec20c68eef51c7fb1df8e026ec918fd4b7e7a
Markdownbc18668e6ac8f839168d631f83f6beeb23dd4df5ec400347bdf780a678d7bb2c
PDF
Publication pageef01847a17118e4ff4b9c50c1a764d4dacbf95b114674d815586affce8264e05
Manifest48a098d5fe0cded65e943968b4b51cbae29c3e360f308fb3ec33f84ba01b0db1

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
SignatureBlDPdhKLBWlWR8LUpFqE/TNozW5uDP5te4gF7o3i0qlc9QBzqU4u2azbc8/PJ12MUg5rIoUyIu9crkdH88mqAA==
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

2026-09-17T10:30:48.754655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068160
observed ef01847a17118e4ff4b9c50c1a764d4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:48.735647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068160/manifest.json
observed 48a098d5fe0cded65e943968b4b51cba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:48.719318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068160/publication.md
observed bc18668e6ac8f839168d631f83f6beeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:48.700851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068160/publication.txt
observed 1aa4c9a7152f953f55a50e46ce6ec20c...
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.