OpenTechnical

OT-2026-000003718

Publication integrity record

Bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure verified

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-2026-000003718) never changes.

Identity and time

Publication numberOT-2026-000003718 · never reused
Internal UUID01a0a90a-d5d1-70d4-9d01-4ddd74d256a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:34.740599Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003718
StatusPUBLIC

Content hashes

Canonical text56edd0235a039580493af43a0ecfa9a1917cf61a35f3b0c258b1c241a13b9e9e
Markdownae0d910e1c58e1d6e5fc365cf0868c68ce05aabbabedc582b272eec63cc0f596
PDF
Publication page1e04ff88320143557fce6c9a6ec69c401610ad3bfde0c64b30af2657dea6ba9e
Manifestc22cec6986c3b7e71ed68b038c9f36507441e6409600eba4287229e49a7044c7

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
SignatureF0cBh7GpPnr/p9Xc55fVQIBqjcPqfBtps3GoBotQc+POkyEMGlZDqXp9yrks0YNdBN/8mudGybfw+Qn3nma3Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:00:34.497785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003718
observed 1e04ff88320143557fce6c9a6ec69c40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:34.481434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003718/manifest.json
observed c22cec6986c3b7e71ed68b038c9f3650...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:34.467176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003718/publication.md
observed ae0d910e1c58e1d6e5fc365cf0868c68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:34.421755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003718/publication.txt
observed 56edd0235a039580493af43a0ecfa9a1...
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.