OpenTechnical

OT-2026-000061409

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000061409) never changes.

Identity and time

Publication numberOT-2026-000061409 · never reused
Internal UUID01a0ae8b-7b42-7245-a339-8d2e35b55bec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061409
StatusPUBLIC

Content hashes

Canonical textdec0447d986963ee17666a77e81b098ecbb62501a2ea980c21b1f9be546f84c6
Markdownec47874f7d5ee251100e9fbe5b56ffdcae51cec9db8bb9dea5f4d97743d0958d
PDF
Publication pagec0509e7d1399866d64d3d076ea8c0e9e187f1b88078620c6e5593817d2aa92e8
Manifest3481685875095467c7625bd1eef13efb87e1b6fceaefcfca1bf876db51539180

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
SignaturebyAto4hSpZs7hh1r/pFOJEJeLTSW4HZv6kta31VuhPE0icfSwpWFjGdkrFpxrRXlflsoXNjFOigyLz57mCYzBg==
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

2026-09-17T10:41:16.622778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061409
observed c0509e7d1399866d64d3d076ea8c0e9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:16.599930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061409/manifest.json
observed 3481685875095467c7625bd1eef13efb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:16.580247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061409/publication.md
observed ec47874f7d5ee251100e9fbe5b56ffdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:16.561372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061409/publication.txt
observed dec0447d986963ee17666a77e81b098e...
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.