OpenTechnical

OT-2026-000022077

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained 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-2026-000022077) never changes.

Identity and time

Publication numberOT-2026-000022077 · never reused
Internal UUID01a0ae6f-bb5c-714e-b6af-b181256e44c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022077
StatusPUBLIC

Content hashes

Canonical texte4a58dd50ecb2757edf0b324f77db024078a52d0c47ae345c5779fc6c31ef8ad
Markdownaddc1dd9a57bcf95387efe1adaf876e7ac895c5ee967247f77364f177e2c2e37
PDF
Publication page66a7841618529fc91cea5148b790bf3f70dbfb54c64cb375ae025f6f1e865e69
Manifest14ebac8c5da3d4d67e4b23e56e6271baea76e0dc4fcf41e82f3709dcd8d46a78

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
Signature6rCRi+di7wSX1UJONFaJHZQ5p/Jh8YoO61VPBqt2IAn8umDIX5toNIm+pgXp7ABYL8NxAG8BSiTYXTWMFmyoAA==
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

2026-09-17T11:54:46.457635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022077
observed 66a7841618529fc91cea5148b790bf3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:46.439965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022077/manifest.json
observed 14ebac8c5da3d4d67e4b23e56e6271ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:46.420805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022077/publication.md
observed addc1dd9a57bcf95387efe1adaf876e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:46.402153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022077/publication.txt
observed e4a58dd50ecb2757edf0b324f77db024...
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.