OpenTechnical

OT-2026-000076394

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000076394) never changes.

Identity and time

Publication numberOT-2026-000076394 · never reused
Internal UUID01a0ae94-6a70-75eb-9daa-48e7df2bce0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076394
StatusPUBLIC

Content hashes

Canonical textd841106b941f4757f1aea08a8b4aae7a46e33624b485987be51e8c89ed39a3cd
Markdown8694d8bfa93c3874c4d1b47075e554389dd6c9c5c38603e3d07d5f5e22e4d2ef
PDF
Publication page8fde1374df78ff5581744ed8ebf2a82b95221c3e01814e520af240c99b86c15e
Manifestc7d4e57539b89ffc4564f7ebd5e8016df084d877ba0be1f5b688b420895453cc

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
SignatureANdo2jHwKyQqKWClAWEHq5/IA51QonuK5r6kXvaRhYV/D78fhIJlEvZKfV9E7zYBl5WSJPA2zCi2PaCB/S56Ag==
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

2026-09-17T10:12:18.247933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076394
observed 8fde1374df78ff5581744ed8ebf2a82b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:18.228765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076394/manifest.json
observed c7d4e57539b89ffc4564f7ebd5e8016d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:18.206712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076394/publication.md
observed 8694d8bfa93c3874c4d1b47075e55438...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:18.063300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076394/publication.txt
observed d841106b941f4757f1aea08a8b4aae7a...
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.