OpenTechnical

OT-2026-000003680

Publication integrity record

Vacuum cup gripper, two outlet manifold, two stage ejector, pressure verified, vented 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-2026-000003680) never changes.

Identity and time

Publication numberOT-2026-000003680 · never reused
Internal UUID01a0a90a-b9a4-7e0b-9716-5b33a0e18526 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:27.528502Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003680
StatusPUBLIC

Content hashes

Canonical textc6825ffcc27717fc65031521ce0eee5ef4a48476d1ffa208c8999a0f3f135733
Markdown1ee64a3a4be5d56ce424193cf9140b49047329d311004f31862a0f67b3858916
PDF
Publication pagee7b94ccdd45ec6951243ba787a20a4bbbf75527897b63e180f996240d72fad33
Manifestb61b14f7282899c764e065182a79fcaa53fb80fffc67f1f5135860b866a8ab37

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
SignaturevBWmO/rcRMx45vMy30Lcc0m9W4I7pwT6R59jFOy0It84hGyVRgY4Jtx5edZO7SkxJSsLSojlugE0k4X0ZQcNDA==
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

2026-09-16T08:10:36.131052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003680
observed e7b94ccdd45ec6951243ba787a20a4bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:35.991973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003680/manifest.json
observed b61b14f7282899c764e065182a79fcaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:35.975122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003680/publication.md
observed 1ee64a3a4be5d56ce424193cf9140b49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:35.959240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003680/publication.txt
observed c6825ffcc27717fc65031521ce0eee5e...
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.