OpenTechnical

OT-2026-000003864

Publication integrity record

Porous face vacuum gripper, two zone face, six outlet manifold, three stage ejector, contact triggered

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-2026-000003864) never changes.

Identity and time

Publication numberOT-2026-000003864 · never reused
Internal UUID01a0a90b-4a56-7337-b51c-596dc7b78187 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:08:04.570514Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003864
StatusPUBLIC

Content hashes

Canonical textbe54e5399ac13ff58aaadc0950a3dcef026632d6d3ac390d86ed9c6d9a99c208
Markdownd200cc7577435f8b104e6c067b49680b58db075ad9891c015cfa2471ca5b660f
PDF
Publication page9eec317aff5a4df8a94547c144a537b57433221cc843d35bd825173df3832191
Manifest53bb60803224f2da463229c1437d9417420d46355fe0157ac0751451e0672978

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
SignatureNWB+3x9BHkLO6PP08sEEK1MkWt7vASnCQMne7nN7M0l5tkmwCm+B0qM60sAoW6npm+8w0cQfM6Ut5Vsz6XTSAQ==
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

2026-09-16T07:10:15.771811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003864
observed 9eec317aff5a4df8a94547c144a537b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:15.756286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003864/manifest.json
observed 53bb60803224f2da463229c1437d9417...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:15.741022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003864/publication.md
observed d200cc7577435f8b104e6c067b49680b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:15.726071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003864/publication.txt
observed be54e5399ac13ff58aaadc0950a3dcef...
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.