OpenTechnical

OT-2026-000074164

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000074164) never changes.

Identity and time

Publication numberOT-2026-000074164 · never reused
Internal UUID01a0ae93-7178-790f-a8c7-ef3703c2a738 · 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-2026-000074164
StatusPUBLIC

Content hashes

Canonical text4ca4da32a47e37334a973f323d4be6c91ae83b3b976d24d9adc5d8bb7f10ba0b
Markdown039b0b68c9993bf1931be583976ffedf1afe47dbc82879e62e2d6d10d59dcea3
PDF
Publication page6b27d1b376224b62218c76e403e4013f192f937a9a47cbfb1ae19dd32c46380b
Manifest5ef626cd4167cfd08502c18ad63d65f910d21498bb3c3a81309899aaed57eca7

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
Signaturedj8ip3ZADSFZU3/30Vo899hdp+m7j6YpDdPHXp4o9TXwLa18zbbrCbhntbZmHzb66Nx/zJZPgDknjY7x2ZlSCA==
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

2026-09-17T10:19:00.815540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074164
observed 6b27d1b376224b62218c76e403e4013f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:00.797836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074164/manifest.json
observed 5ef626cd4167cfd08502c18ad63d65f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:00.780855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074164/publication.md
observed 039b0b68c9993bf1931be583976ffedf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:00.764534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074164/publication.txt
observed 4ca4da32a47e37334a973f323d4be6c9...
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.