OpenTechnical

OT-2026-000029049

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000029049) never changes.

Identity and time

Publication numberOT-2026-000029049 · never reused
Internal UUID01a0ae73-2a9f-7a15-9990-d2e500bd317f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029049
StatusPUBLIC

Content hashes

Canonical text3752ccd422df92b1bc6fafcb301edfda3091ab2a180e0436fd535580f4523df7
Markdown65c5e9e5aa8faba1cdab069fdcd1f957dc78f79b41bed946691db9709836af37
PDF
Publication page0f69f61d10596a77b3fccf7460583bd4d7800c92a43fd2b883fb29da25258a82
Manifest5e526aa903068e42caccce246877013a10194fb093f282a661a46ad891d0f311

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
SignaturedYaDlCoIiaS4FW+kTFLUULfRYdjxtlkat4anndUnifJFHdy6lDxkQXJM3+cbv9U2WOgpzcDEPx0gZKRgSYYrCg==
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

2026-09-17T08:20:41.525361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029049
observed 0f69f61d10596a77b3fccf7460583bd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:41.507064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029049/manifest.json
observed 5e526aa903068e42caccce246877013a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:41.487617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029049/publication.md
observed 65c5e9e5aa8faba1cdab069fdcd1f957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:41.468581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029049/publication.txt
observed 3752ccd422df92b1bc6fafcb301edfda...
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.