OpenTechnical

OT-2026-000093821

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000093821) never changes.

Identity and time

Publication numberOT-2026-000093821 · never reused
Internal UUID01a0ae9e-508c-7026-a453-0a4bbfc1d05a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093821
StatusPUBLIC

Content hashes

Canonical text2cd667bb76a1beb0f0b8e66bd09c730aec0e6df3bb8d1d66715f97862ccbbc32
Markdownda3b4260232b3d15e00a39dc3bda4e89957c1e0766a561e3c06abbb557b4445e
PDF
Publication page9c30f1a3357158629e7e4dc9c6f387af4320749caf936bd5eebcb1fc6e5eb4d8
Manifest5ee0262ed2a0cafb371f83f64df9253e93d5283593868bc52bdf33eb4d600639

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
SignatureKjuEvOLFV0OGDN+7wRQkErH+899DKNXLrTDlt6Rc49f74/hzMrxEX47npnen09HDZscnajbGX9helM6Og6niBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-10-13T00:41:47.973280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093821
observed 9c30f1a3357158629e7e4dc9c6f387af...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-13T00:41:47.899993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093821/manifest.json
observed 5ee0262ed2a0cafb371f83f64df9253e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-13T00:41:47.829301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093821/publication.md
observed da3b4260232b3d15e00a39dc3bda4e89...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-13T00:41:47.758855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093821/publication.txt
observed 2cd667bb76a1beb0f0b8e66bd09c730a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-20T20:42:15.357448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093821
observed 9c30f1a3357158629e7e4dc9c6f387af...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-20T20:42:14.954084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093821/manifest.json
observed 5ee0262ed2a0cafb371f83f64df9253e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-20T20:42:14.503545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093821/publication.md
observed da3b4260232b3d15e00a39dc3bda4e89...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-20T20:42:14.158996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093821/publication.txt
observed 2cd667bb76a1beb0f0b8e66bd09c730a...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent