OpenTechnical

OT-2026-000022006

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000022006) never changes.

Identity and time

Publication numberOT-2026-000022006 · never reused
Internal UUID01a0ae6f-bb5c-7408-aee7-7573b41549c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022006
StatusPUBLIC

Content hashes

Canonical textc878438fa38dfb53da2f70b0206a924955a447eb7b3b564214b964b4a3b9c3fd
Markdown0cba88926dbfc9c80f38d59a18e54d737bf8ca3334c8a507f635bec6ab7c2dba
PDF
Publication pagefbef4963b5e8af653e579c61a25e97d2af6415d5dd00ee0db6e3ce10785b61b3
Manifest8cdbd458a3ec7f9977f5b47cd3798e077114c103b4c023251590b1ef969d9498

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
SignaturerG/dgNNq81Oiv1VlPbVFcbxIgEMTNxHUUoCFvcx9v4qow6JGWjJjzdOqXaJfV89hhAOcsNpTWS1nxi09zB55BA==
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

2026-09-17T11:54:41.198161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022006
observed fbef4963b5e8af653e579c61a25e97d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:41.179547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022006/manifest.json
observed 8cdbd458a3ec7f9977f5b47cd3798e07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:41.162324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022006/publication.md
observed 0cba88926dbfc9c80f38d59a18e54d73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:41.144369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022006/publication.txt
observed c878438fa38dfb53da2f70b0206a9249...
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.