OpenTechnical

OT-2026-000014873

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000014873) never changes.

Identity and time

Publication numberOT-2026-000014873 · never reused
Internal UUID01a0ae6d-d095-7843-b805-8b4b8c2656b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014873
StatusPUBLIC

Content hashes

Canonical textc7e585c8f59b90b753145ceada669abcbf1b106e1c60b8e20f78bd9deb8409aa
Markdown8d2aa9d4214be6d639012f85058e2aa45a2f6a2babc16b87e673f66ede17851b
PDF
Publication page2b21af38969aaadedc8dac91e02d3a207e5904efd4ce9d01ff6bc21273b73ff8
Manifestde476e30cc3955ff00dd3ab2347156a7494bad52b7efc1e3f517b226b8db747d

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
Signature1muTaIPXWQ62AjXH5DcUcFzq1gSDAt5nZFNmm7Ok8Wy7HXUvTXgR4xZ0iFQs4FZEsx7O3MALvz5PYZ0z6/h0AQ==
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

2026-09-17T12:06:47.739172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014873
observed 2b21af38969aaadedc8dac91e02d3a20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:47.722371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014873/manifest.json
observed de476e30cc3955ff00dd3ab2347156a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:47.704755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014873/publication.md
observed 8d2aa9d4214be6d639012f85058e2aa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:47.684823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014873/publication.txt
observed c7e585c8f59b90b753145ceada669abc...
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.