OpenTechnical

OT-2026-000005338

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, four outlet manifold, two stage ejector, 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-2026-000005338) never changes.

Identity and time

Publication numberOT-2026-000005338 · never reused
Internal UUID01a0a935-e6eb-7171-bcb3-c73824793834 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:54:37.165527Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005338
StatusPUBLIC

Content hashes

Canonical text8c48043c28629c4f30e68232076a0a8c08ac82feb3fa49344042c2a3dfd3682e
Markdown7d215965a7d914a9bd7ab93ebea09a1e988adf7bb00c8d1a0b998e8167d410ca
PDF
Publication page415b89e8b1f8db630e3f0d09e71690a6db1725c2ec9fe2945217d814216ede1a
Manifestdc16ad85482dc4d07d3d5c7ee32a7013a2e2e7dd13b772d93b19d1d9342b8e79

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
Signatureu1s6h6SJrEslMONDuWjN94tg4tJ/YyL9EAsmlWNVd7UuzEnzhkDugqnSN6NGFHUyfEmzDwueCwQbF8zns3kbDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:20.960456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005338
observed 415b89e8b1f8db630e3f0d09e71690a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:20.946224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005338/manifest.json
observed dc16ad85482dc4d07d3d5c7ee32a7013...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:20.931221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005338/publication.md
observed 7d215965a7d914a9bd7ab93ebea09a1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:20.914593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005338/publication.txt
observed 8c48043c28629c4f30e68232076a0a8c...
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.