OpenTechnical

OT-2026-000018304

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000018304) never changes.

Identity and time

Publication numberOT-2026-000018304 · never reused
Internal UUID01a0ae6e-b489-7ea5-82dd-f948cd735861 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018304
StatusPUBLIC

Content hashes

Canonical textffb5553c6a35087e8e9eb906c59ec7caae706f4bc2981270502796265c728738
Markdowndd89855fc04c2da72f243f4327a209601a13f20ac896e0ae67761d2f821c1704
PDF
Publication page5dfe84ab8b68c5014a766ce4fa872edac5ec93748670b886b4b324b4007765dd
Manifest1e0d96b2b997e684fef386caabe950d89f089c8fee95d9c4d66a0895d3e5c2dd

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
SignaturewegiUbTQS5yh6IjQhQwWL1KC/xMKE+FX+pk3KkuyCgCCknJDF1Zz6EnjLGptmF1WMrgotmqXL2pIfppVubJNDg==
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

2026-09-17T12:01:02.225304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018304
observed 5dfe84ab8b68c5014a766ce4fa872eda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:02.207906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018304/manifest.json
observed 1e0d96b2b997e684fef386caabe950d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:02.165241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018304/publication.md
observed dd89855fc04c2da72f243f4327a20960...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:02.122708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018304/publication.txt
observed ffb5553c6a35087e8e9eb906c59ec7ca...
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.