OpenTechnical

OT-2026-000022417

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off before 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-2026-000022417) never changes.

Identity and time

Publication numberOT-2026-000022417 · never reused
Internal UUID01a0ae6f-f4fd-7442-95ed-8c23f89eef3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022417
StatusPUBLIC

Content hashes

Canonical textf53d6c2bc09cd13ea829a7c65a1013d5607902070315db23d4d64780e7a6796b
Markdown0cdb0a17bfa3016c379996eb48a42bebafe06e909e693e5f6df5798c913521dd
PDF
Publication page30a6b39b2910d020ed037658a0b9040d635083c7a6fe69b7a1e86402b432e179
Manifest7fda4abfcf3aa03fc92a6ec811941d91abf2d95d1e9535594b1136b62ac10e98

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
SignatureIiRbhWkubEPf+Vak6adzaX9pYsFmo9E0y0XaT9hl6kd1t89ONhwZ/IMeY/Iq7PLzkmWNS33zwOLUN0rBqI3VAg==
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

2026-09-17T11:53:48.339111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022417
observed 30a6b39b2910d020ed037658a0b9040d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:48.321622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022417/manifest.json
observed 7fda4abfcf3aa03fc92a6ec811941d91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:48.304133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022417/publication.md
observed 0cdb0a17bfa3016c379996eb48a42beb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:48.285576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022417/publication.txt
observed f53d6c2bc09cd13ea829a7c65a1013d5...
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.