OpenTechnical

OT-2026-000045660

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, pulsed 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-2026-000045660) never changes.

Identity and time

Publication numberOT-2026-000045660 · never reused
Internal UUID01a0ae7d-8f03-7228-adf5-d9227a99fbf4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045660
StatusPUBLIC

Content hashes

Canonical texte50adfd436da581c772c8bb61425b7e194c9705cdb656746ea616ff12920a90f
Markdown63009a63c3278c212bd5fa62ffb46bd83130253a67d3dd92f42d343280fff059
PDF
Publication page801a67443fe5f68a7530060e1910e44165de1574e17199266f435a56f112d20f
Manifest3e0f86c9ad32bd45da90d2cc95876c41bf920bda4614352154df568d510c0ed0

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
SignatureR3cpL2Opv4979hIx7XPLXQCvOq9A3d4z+gesPt2sNVLDtYyHVKO90SPZyiKT3vGFjhhIyM7AgI46zEPj/lcnDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:09:27.241342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045660
observed 801a67443fe5f68a7530060e1910e441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:27.224551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045660/manifest.json
observed 3e0f86c9ad32bd45da90d2cc95876c41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:27.204178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045660/publication.md
observed 63009a63c3278c212bd5fa62ffb46bd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:27.182643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045660/publication.txt
observed e50adfd436da581c772c8bb61425b7e1...
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.