OpenTechnical

OT-2026-000074428

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000074428) never changes.

Identity and time

Publication numberOT-2026-000074428 · never reused
Internal UUID01a0ae93-717a-7a5f-8600-8d59bfdd2bfb · 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-2026-000074428
StatusPUBLIC

Content hashes

Canonical text9c8779de8328b90b11cee60046cc5199ff19d2fd9c5155a0d36fadff4c59c628
Markdownda2a178728f8228fbbafe14ba2b13f4f49a718100e6f9f9903893e4adf656668
PDF
Publication pageeebb49d008f03f6cb8b3c524b482592017038cf55c20d8bfc38b093b94eaef6f
Manifest99bd8ce11ecdffc3b5d46e9abcce692b7f594b513dab409eb2003a5b99ae1bce

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
SignatureFFFXTU25/i9lpuCfnlXtN74FUKRTxafLUhl6m+qPysdIn1WtUi4oPtzzZC57IoKcG2rdiVEuXIZCElvEw7OEAg==
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

2026-09-17T10:19:22.661491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074428
observed eebb49d008f03f6cb8b3c524b4825920...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:22.642207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074428/manifest.json
observed 99bd8ce11ecdffc3b5d46e9abcce692b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:22.621398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074428/publication.md
observed da2a178728f8228fbbafe14ba2b13f4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:22.599467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074428/publication.txt
observed 9c8779de8328b90b11cee60046cc5199...
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.