OpenTechnical

OT-2026-000027377

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000027377) never changes.

Identity and time

Publication numberOT-2026-000027377 · never reused
Internal UUID01a0ae72-6997-722b-8059-79906e5eb744 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027377
StatusPUBLIC

Content hashes

Canonical textd470254b56d60de23486d46f8721a111249c8a341c57def0fab4513cb7fe76ba
Markdown163d0167eca35ef5f2a20f55a201bb4f25e5b7a9dddff2bf96261eca2433c204
PDF
Publication pagec96e36617d3fcf3d0920c9943984644f26c670ebcdc6570ec0cfa2636d90c624
Manifest716d136f7fefa6c510997dcf4e10612566bbfadc56c65cf5b1a03aba676a0a0f

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
SignatureNcSuD1tO/ZMlEq8+3sRX45qhBePC5oI7XVcWZiaV5kw8KPU0Ixqojllng9Jc5u0LjElVUQHL6BwxNvXp4dAaBA==
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

2026-09-17T11:42:47.670306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027377
observed c96e36617d3fcf3d0920c9943984644f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:47.652824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027377/manifest.json
observed 716d136f7fefa6c510997dcf4e106125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:47.631596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027377/publication.md
observed 163d0167eca35ef5f2a20f55a201bb4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:47.612164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027377/publication.txt
observed d470254b56d60de23486d46f8721a111...
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.