OpenTechnical

OT-2026-000067360

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000067360) never changes.

Identity and time

Publication numberOT-2026-000067360 · never reused
Internal UUID01a0ae8f-6bd8-702d-aec8-d825a088abf0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067360
StatusPUBLIC

Content hashes

Canonical text695747319c0ffbf4f84fe4ccd33aebe844ba9004a05d8aee494f24882fd5c538
Markdown75593a648e44ad82ee00317933e6a1b90feec3dcf0050ecc692c184545fbecf6
PDF
Publication page5f04c42f78a647d9ac654159e7632caae37ea1ee013a41b4e694c4e87d6f16c2
Manifest5056b5314f655bb7af911887f61faabc85efdce68868b547c15530b50960a906

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
SignatureFv1oL8UX7BNuGgL8/Duhjo8ERlrFRB8vrXDoT6nTbhOVpo+kioyssQJK1NUtKdYAYvKaMgGmpZE6uipAWdy3AQ==
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

2026-09-17T10:31:32.692064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067360
observed 5f04c42f78a647d9ac654159e7632caa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:32.675688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067360/manifest.json
observed 5056b5314f655bb7af911887f61faabc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:32.658792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067360/publication.md
observed 75593a648e44ad82ee00317933e6a1b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:32.642338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067360/publication.txt
observed 695747319c0ffbf4f84fe4ccd33aebe8...
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.