OpenTechnical

OT-2026-000048242

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000048242) never changes.

Identity and time

Publication numberOT-2026-000048242 · never reused
Internal UUID01a0ae80-4de3-7a58-a00f-bf4db8905e20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048242
StatusPUBLIC

Content hashes

Canonical textee5b06279ebd6c484924c0fcdde2c9cb573997b2594b17d25b24edcfe498d634
Markdown8f3a814421d4fc3af1d0805c363f5217841b7137561ff8be79574c0973a22318
PDF
Publication pagef157290e11020af671546e769b60b3bd213aee340fc2c9248de8a0510ffda84b
Manifestcca032253d5f3ee94ef42be6f1ee26e9882c9c23cc50785d413583f0d79fc10c

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
Signatureyx2ZnRZHDwVK08JMd8q4kZpymuoKhV4xtH1lzbNsb0uonk8p4YJI6Tpel5UXcCQ6Gk9+5wS5Yrh5QG5VW8IfDg==
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

2026-09-17T11:04:48.231415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048242
observed f157290e11020af671546e769b60b3bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:48.212842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048242/manifest.json
observed cca032253d5f3ee94ef42be6f1ee26e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:48.193650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048242/publication.md
observed 8f3a814421d4fc3af1d0805c363f5217...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:48.174919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048242/publication.txt
observed ee5b06279ebd6c484924c0fcdde2c9cb...
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.