OpenTechnical

OT-2026-000066829

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000066829) never changes.

Identity and time

Publication numberOT-2026-000066829 · never reused
Internal UUID01a0ae8e-ce43-7373-b6d1-45e66a120d49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066829
StatusPUBLIC

Content hashes

Canonical texte71290081562c901a5d01cfe73930c3078c40f5f38492e6e8665ff6e8ea5847d
Markdownfb8fc8131d80fa368ac5c0b3edacf40fd4e14d999816a15974b816b6d33cbf60
PDF
Publication page47a059c83504a92b4beffa0fbc99548d528db03ac8ea4882ba2cab75337e98e2
Manifest8124d1a3808a6c95f9f9810312d45d968fb28aaba3805f4182989203bf2defe0

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
SignatureuWIr653xlbBbNmzHJaomUVbDCHCHUH6mBZ/LJeI+SfaMTAXdgLe/37KJuyrFwU5qjTrqyhCBxdj9Z9P/0iduCA==
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

2026-09-17T10:33:15.760438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066829
observed 47a059c83504a92b4beffa0fbc99548d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:15.740893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066829/manifest.json
observed 8124d1a3808a6c95f9f9810312d45d96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:15.722943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066829/publication.md
observed fb8fc8131d80fa368ac5c0b3edacf40f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:15.703340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066829/publication.txt
observed e71290081562c901a5d01cfe73930c30...
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.