OpenTechnical

OT-2026-000067788

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000067788) never changes.

Identity and time

Publication numberOT-2026-000067788 · never reused
Internal UUID01a0ae8f-c4fa-7497-bad9-b5a794c3559e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067788
StatusPUBLIC

Content hashes

Canonical text91a1d095a238cd5752a1f3603ed06823841eacad54c0627a2487479b2136145d
Markdown3b268f89d9def5b6b1380a4e1277b8ef0f1ee8eec2314c6d14e27bd9c0abf094
PDF
Publication pagedd3bd55d6de4f134fb0a81d7419382d01c03e024d6d9eef24ec965a65229d7f0
Manifest7d005fe727656cf2dd21f0e372a3207b38ac40aa47b61dfc2e99a02d9a6b1f47

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
Signature652gY8tKCfFfmmDGkknnBYxJ332xU04eJYQcSE3V034tTwMT/6fZ0H4aBdkXKXFleG8yPszSIYdv/itGX9xQDA==
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

2026-09-17T10:30:01.409941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067788
observed dd3bd55d6de4f134fb0a81d7419382d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:01.391317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067788/manifest.json
observed 7d005fe727656cf2dd21f0e372a3207b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:01.371940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067788/publication.md
observed 3b268f89d9def5b6b1380a4e1277b8ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:01.354343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067788/publication.txt
observed 91a1d095a238cd5752a1f3603ed06823...
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.