OpenTechnical

OT-2026-000045668

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000045668) never changes.

Identity and time

Publication numberOT-2026-000045668 · never reused
Internal UUID01a0ae7d-8f03-7d16-b864-fb8350a9d677 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045668
StatusPUBLIC

Content hashes

Canonical text3cf01132ec0b4085a75650ea01eda5d2625dee838b9316836d5044123a9fbc20
Markdown96669e13e616d45802421f558c6b6c9a664eb55f242b731402f9ca8d76083526
PDF
Publication page90ba69f63495004858961541ebd728c980a38eb304bbba20503d0b26c48fe003
Manifestdfb7948f3fcd812d51ce561a481b614371bc61551de041821ea2cb3ee3ad6215

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
SignatureFdw9nb4hVeZRwBjsX4rxOnPiR1kZeg+FAwmP501RyDWgweKEfZsjrA829jwZSKnUt3VvETAna7VeIZUl/g2aBw==
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

2026-09-17T11:09:27.880546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045668
observed 90ba69f63495004858961541ebd728c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:27.863405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045668/manifest.json
observed dfb7948f3fcd812d51ce561a481b6143...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:27.845773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045668/publication.md
observed 96669e13e616d45802421f558c6b6c9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:27.826772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045668/publication.txt
observed 3cf01132ec0b4085a75650ea01eda5d2...
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.