OpenTechnical

OT-2026-000047492

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after set-down, on a tool changer

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-2026-000047492) never changes.

Identity and time

Publication numberOT-2026-000047492 · never reused
Internal UUID01a0ae7f-3e58-7e6f-8fbe-9b48151bbaff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047492
StatusPUBLIC

Content hashes

Canonical text5cd62a74e1204b4be1132043cfdee249890dd0f4277d2d35d65ec2aeba55effb
Markdown0e5a7717178a6c3365be45a7fe15e12027b48c3a5c86ac5cddb793acd88c8514
PDF
Publication page93ccca3060ea2efd0ff0a9cbec906b64cf0a4716c5b1424b322a017d12e83e62
Manifest926d1c3a06b34517c1c60fa4e92a586ba3bda0e6eb080d535b52415e9c27c017

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
SignatureuFcjljLFqg4/IDDaZtBCsyEqdgpUw/wxQMBu6KxTOjD7HSUlsqCp7SXHrTmj2x30k9a8akSU8NGYBht9Myj3DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:06:32.064983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047492
observed 93ccca3060ea2efd0ff0a9cbec906b64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:32.046895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047492/manifest.json
observed 926d1c3a06b34517c1c60fa4e92a586b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:32.028500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047492/publication.md
observed 0e5a7717178a6c3365be45a7fe15e120...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:32.007362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047492/publication.txt
observed 5cd62a74e1204b4be1132043cfdee249...
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.