OpenTechnical

OT-2026-000056471

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, supply line 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-2026-000056471) never changes.

Identity and time

Publication numberOT-2026-000056471 · never reused
Internal UUID01a0ae87-7af4-7416-8a4b-a68d68502c8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056471
StatusPUBLIC

Content hashes

Canonical text75adaf129eb9c85f09227701e9645e28e16df8ca2ed8578e090f6098dfa8f66b
Markdown54abf661de8ad6168879fa1e3ddba5e46aed997fb09c4811b89fdd25ec64cca2
PDF
Publication page533dbaf0a9eecec1f4e02c8b38445c05130510b4a720426a3c6377eb79b180ad
Manifestf5ca04da371b796fa073ce1da5d59d914bb728c0b393c8f40cf1884fefd6ff38

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
SignatureO8PiHcp47u5ZxeJp9y8d/OvKfdXmQLZxm1YHJNTvz+bYpvUJ54nzaGqmZHxBAI7UlFSUHrTAUdWB2vHBfwIeAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:46.624345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056471
observed 533dbaf0a9eecec1f4e02c8b38445c05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:46.605330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056471/manifest.json
observed f5ca04da371b796fa073ce1da5d59d91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:46.588910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056471/publication.md
observed 54abf661de8ad6168879fa1e3ddba5e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:46.570600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056471/publication.txt
observed 75adaf129eb9c85f09227701e9645e28...
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.