OpenTechnical

OT-2026-000063331

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000063331) never changes.

Identity and time

Publication numberOT-2026-000063331 · never reused
Internal UUID01a0ae8c-f943-7483-80d1-60fa469518c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063331
StatusPUBLIC

Content hashes

Canonical text334818d6d4fc9fdf6b77016cc68a5044ab2d7d269e68458ba89a912971a48fc7
Markdown4da5d99f1a1f9845ed1764d88ace346ba64a689c3a3c75bc04d709013d5b16dd
PDF
Publication page4bd997333fd547dad7b891d859cb31a12433e2ffd9db5063aac0e3fa72a3a2a8
Manifestbd6e0c6ae42af036d0b484fd5d3d06d1e7c0425df1cb1ed045f5da15dd9ab347

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
SignaturepUe/dccjVXqbbvcUXd3g1GOEVzSKVRbW+AHDxt3tPQHI/3CgyEml0zzjZx9TL3RrGrZHHXms366UmRbU0KCgBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:13.546114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063331
observed 4bd997333fd547dad7b891d859cb31a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:13.526767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063331/manifest.json
observed bd6e0c6ae42af036d0b484fd5d3d06d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:13.508913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063331/publication.md
observed 4da5d99f1a1f9845ed1764d88ace346b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:13.489444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063331/publication.txt
observed 334818d6d4fc9fdf6b77016cc68a5044...
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.