OpenTechnical

OT-2026-000059855

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000059855) never changes.

Identity and time

Publication numberOT-2026-000059855 · never reused
Internal UUID01a0ae89-ec26-7c46-be1d-a79780e67944 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059855
StatusPUBLIC

Content hashes

Canonical textf3488a487e91e3e2058ff5ac0cf17b5cce65cfa4f3230ba8c9c5190709e11894
Markdownf8eee8505a8516ff856ded4bc3a4b45ea752871a71766cda37219f8d548d0aab
PDF
Publication page94a0fcaff749e7267bfd0bd84a25dcac924e36f2015d86a2d604f67100111d3a
Manifestea9d56f6193f0630b8023e7a5f277d0faad5b713f558261be8fbd143e62247e8

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
Signature1+cFVRg2H3farnVP44SmCUcV6XaOLx0CoNXmX33ArxPRTUBLArZEHAgOiMINe/uz8rquvbKBOdOzTWHEPf4EBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:36.457533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059855
observed 94a0fcaff749e7267bfd0bd84a25dcac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:36.442657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059855/manifest.json
observed ea9d56f6193f0630b8023e7a5f277d0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:36.426789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059855/publication.md
observed f8eee8505a8516ff856ded4bc3a4b45e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:36.409615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059855/publication.txt
observed f3488a487e91e3e2058ff5ac0cf17b5c...
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.