OpenTechnical

OT-2026-000074493

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000074493) never changes.

Identity and time

Publication numberOT-2026-000074493 · never reused
Internal UUID01a0ae93-717a-78af-ab62-2f51a911ddf2 · 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-2026-000074493
StatusPUBLIC

Content hashes

Canonical text97bbec7877105aa0a995bb6ff3841d728279de16f1ec4e61848a6862a168a753
Markdown59090c636c826400ef81ba0c6763c3905aeaf1e32bd24bae1629629e51e4ba93
PDF
Publication page2770359b4eb3ea150dcd00564d747db5739bbb42c8b48ff0ecdd43a844a75907
Manifest8506574031e6aeac649fec22c6454f54b78cb308b33e1b6e0889bb5b59d981f1

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
SignatureMlG6Z/SYDK4zxtfp0aiqZClqUI1uJ8IFQn/iONWOYizUYQsjSmsi54JI2I/9RSeNM/1jv1bobCBW7Fo90382BA==
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

2026-09-17T10:19:27.715094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074493
observed 2770359b4eb3ea150dcd00564d747db5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:27.697172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074493/manifest.json
observed 8506574031e6aeac649fec22c6454f54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:27.677759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074493/publication.md
observed 59090c636c826400ef81ba0c6763c390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:27.657533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074493/publication.txt
observed 97bbec7877105aa0a995bb6ff3841d72...
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.