OpenTechnical

OT-2026-000050747

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000050747) never changes.

Identity and time

Publication numberOT-2026-000050747 · never reused
Internal UUID01a0ae82-c7b1-778e-8f2a-da61e8a0ff71 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050747
StatusPUBLIC

Content hashes

Canonical text427b59aeccb2a478d5d5e53426eb41a8f1843ad47b145c6b4d8d107f89006d18
Markdown5579285a45e16b2c0fbce57cb6112d0bd2c52dd097ce65cc9de969c8dec780c8
PDF
Publication page6ff04baa8f089fb513f8c61f0c7381783dad911949ad727d071bb1832cd44c66
Manifesta05f5291324f055b28dab3612a966a4e6142726a01df47545e483b645f422281

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
SignatureiU07CPJEixhfGNcSdgH4E3MswQQdD/rdsme6MMDKigHaCiV0zc0PHicYZKuVmjcPD3AbQSfoCL3rHF+q1XWUCg==
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

2026-09-17T11:00:07.610260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050747
observed 6ff04baa8f089fb513f8c61f0c738178...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.590071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050747/manifest.json
observed a05f5291324f055b28dab3612a966a4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.568188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050747/publication.md
observed 5579285a45e16b2c0fbce57cb6112d0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.552396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050747
observed 6ff04baa8f089fb513f8c61f0c738178...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.548384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050747/publication.txt
observed 427b59aeccb2a478d5d5e53426eb41a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.531997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050747/manifest.json
observed a05f5291324f055b28dab3612a966a4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.504940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050747/publication.md
observed 5579285a45e16b2c0fbce57cb6112d0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.474311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050747/publication.txt
observed 427b59aeccb2a478d5d5e53426eb41a8...
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.