OpenTechnical

OT-2026-000029306

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two 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-2026-000029306) never changes.

Identity and time

Publication numberOT-2026-000029306 · never reused
Internal UUID01a0ae73-2aa1-7922-a884-9c0ef7d8bacb · 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-2026-000029306
StatusPUBLIC

Content hashes

Canonical text87ae79865f77d532c0419d6eeb3cdce8e72e302e48ffce18b7cb7633e5af303a
Markdown05658b5b032cc4d3f765e9c818edaeb3bda286e062263fe3f8477cd4648afa21
PDF
Publication paged75a7cbc00230a4850a631f32e902286336cce0f0333de82669aca4c84e093c0
Manifestb83045774287991bfae8fbc93db09c81a762f3ecdbf8cfdcee540bda6a9b15b9

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
SignatureKHL8JdysH9UCdmoD3E8s7z56jVJwYXcEXAkoqp1AxwQ7WR76Z3q5RlXVgLPuLDv8f3v7pGTkeBr31OQty8eYCg==
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

2026-09-17T11:39:56.737660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029306
observed d75a7cbc00230a4850a631f32e902286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:56.720372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029306/manifest.json
observed b83045774287991bfae8fbc93db09c81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:56.704922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029306/publication.md
observed 05658b5b032cc4d3f765e9c818edaeb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:56.689102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029306/publication.txt
observed 87ae79865f77d532c0419d6eeb3cdce8...
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.