OpenTechnical

OT-2026-000016842

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000016842) never changes.

Identity and time

Publication numberOT-2026-000016842 · never reused
Internal UUID01a0ae6e-5919-720b-9a26-810dea7d1762 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016842
StatusPUBLIC

Content hashes

Canonical texte9e419e1e7fcab8a1f37d8b6b92ff50f77207c5828bd851ae86ba45078e0ea75
Markdown125e51fb317cbb1f3376515f0c77879200a3cc300d65fd6041eeeff8ff161092
PDF
Publication pagecc69a1694c9a2ff440d1280e06d2b2c93225fd207c2cfc49f72b8ceb646c0829
Manifest5c40e5cc73cc07bdadb8e7eafd3e5c0cee06c0d07935cd1d0c0a1c146bf60e3f

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
SignaturevfNqYPj3SyR2j3XPeae5PEjnwR0uwhRqFW493YIyabJe2QMfbSrr3E45USoI9cQK4hVuAzKzg/fMglLFQbumBg==
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

2026-09-17T12:03:06.236594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016842
observed cc69a1694c9a2ff440d1280e06d2b2c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:06.218275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016842/manifest.json
observed 5c40e5cc73cc07bdadb8e7eafd3e5c0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:06.199306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016842/publication.md
observed 125e51fb317cbb1f3376515f0c778792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:06.181497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016842/publication.txt
observed e9e419e1e7fcab8a1f37d8b6b92ff50f...
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.