OpenTechnical

OT-2026-000044946

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, supply line 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-2026-000044946) never changes.

Identity and time

Publication numberOT-2026-000044946 · never reused
Internal UUID01a0ae7c-911c-7a6b-9179-0bb0bc28a9d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044946
StatusPUBLIC

Content hashes

Canonical text69ceb21664e9bbde8b30119baa048908285b60952f67e8f0aea972e27e08d147
Markdown959a0a6251c3ee6bf93602ce8179edad81d8c8d2ad2471f8bcf62c7fd8b8edbb
PDF
Publication page942ee60a82db51c7a3d3e9404bea6e4278a5e7669bea7d5989ee654446d1315f
Manifesteb66646b785e60b7e550e02e29ac4cc9b9e1012d1e07ec96b1bc53e9fbd2ffd6

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
SignatureStvvZbKJs/jAV/L1NUZ3aKPUcwRNDyCsXmID+mBamBgtDinDbYSH16uOkcV+05ttV+gYZgOPJz27lKRVPWH/Ag==
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

2026-09-17T11:11:37.576114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044946
observed 942ee60a82db51c7a3d3e9404bea6e42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:37.558371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044946/manifest.json
observed eb66646b785e60b7e550e02e29ac4cc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:37.539965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044946/publication.md
observed 959a0a6251c3ee6bf93602ce8179edad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:37.521980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044946/publication.txt
observed 69ceb21664e9bbde8b30119baa048908...
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.