OpenTechnical

OT-2026-000043665

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, sustained blow-off after 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-2026-000043665) never changes.

Identity and time

Publication numberOT-2026-000043665 · never reused
Internal UUID01a0ae7b-92d0-7e66-96e8-fd3d155fa4b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043665
StatusPUBLIC

Content hashes

Canonical text1c3d05b7eaa1eec6c1e4ed873e6406855ec685952d8dd59cc2aadb97febfa6c3
Markdown206b3c27f155787ddcf3f950f4ffd17ef01b2aa2e2d680ce200aa8d0893cc4af
PDF
Publication pagede14ffe8026edfd4383c1cc2a61d8c493263dbeb230ab36a29b72c431ed79284
Manifeste9b44488b600cb389f6c85e2e052641271bc6dc2882da6bc3ee750ed59e485fd

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
SignaturezO0eoVL0Xp7aJGQmkugkHgK7jgSCiipCfu22rxUoHJ716GCM7aM9PDaj/NQasrIUwT4IbBpv85OLIR8JIeh7Dg==
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

2026-09-17T11:13:09.066171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043665
observed de14ffe8026edfd4383c1cc2a61d8c49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:09.047662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043665/manifest.json
observed e9b44488b600cb389f6c85e2e0526412...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:09.027215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043665/publication.md
observed 206b3c27f155787ddcf3f950f4ffd17e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:09.008763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043665/publication.txt
observed 1c3d05b7eaa1eec6c1e4ed873e640685...
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.