OpenTechnical

OT-2026-000075730

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000075730) never changes.

Identity and time

Publication numberOT-2026-000075730 · never reused
Internal UUID01a0ae94-29fe-7bb4-b069-7144f032aed6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075730
StatusPUBLIC

Content hashes

Canonical text5b5b22b41b0c6b5df0cf1603174a77b37430c44a1030286753243a3db6ed4575
Markdownb97c917e9496d1850485acfb3b8df5186d23eda6c3cbcadc4853e7100b4d9714
PDF
Publication pagee24333ed64e7859ee57f5fbded4123771e3d0e863d40e9ce0806437dfca3cbb1
Manifest07e199ee0d6eecb04bb79d65512b67c05ac99c1cfca0af2eeba342a555d4d0f5

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
Signaturej4F/AEaJQ3BSv8tON0TUu9JyB0zanGtXIHk3t4NZsFyjBC4OzAHvEPQ7XF3BlB45kmrHKJ56Zx5y3pLGzWD7Aw==
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

2026-09-17T10:14:01.218644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075730
observed e24333ed64e7859ee57f5fbded412377...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:01.198810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075730/manifest.json
observed 07e199ee0d6eecb04bb79d65512b67c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:00.801157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075730/publication.md
observed b97c917e9496d1850485acfb3b8df518...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:00.782856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075730/publication.txt
observed 5b5b22b41b0c6b5df0cf1603174a77b3...
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.