OpenTechnical

OT-2026-000030329

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000030329) never changes.

Identity and time

Publication numberOT-2026-000030329 · never reused
Internal UUID01a0ae73-e501-7233-b0f0-e1412cb4cde7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030329
StatusPUBLIC

Content hashes

Canonical text1a478be9c112b069acfed8a859085f0c98f0bfa2038eddee71aa148275f46a09
Markdown9719f8ee31578dba873cece7caa295974e500e75251fb7a0ceeeef232ab59436
PDF
Publication page49430c844f5fcdd1332a4209defcb09ca9285080f53fd58b8167526214d7b9e9
Manifest320238b89761a5e363e7bd341b54ea70346cd8372aa6d074802d3bb76e96d873

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
Signaturej02i4MNKcK2gHXLMC5kjofGGFQEUYZk+dZw7F4ekeOcYkNcItaC+6KHltDIiw37OmLWi0YW2tzd0V8P/0xGwCg==
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

2026-09-17T11:38:02.345296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030329
observed 49430c844f5fcdd1332a4209defcb09c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:02.328834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030329/manifest.json
observed 320238b89761a5e363e7bd341b54ea70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:02.311732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030329/publication.md
observed 9719f8ee31578dba873cece7caa29597...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:02.293903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030329/publication.txt
observed 1a478be9c112b069acfed8a859085f0c...
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.