OpenTechnical

OT-2026-000027546

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000027546) never changes.

Identity and time

Publication numberOT-2026-000027546 · never reused
Internal UUID01a0ae72-6999-7f16-922b-08d30feda31a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027546
StatusPUBLIC

Content hashes

Canonical texte7ecfe39f41d6b42aec46fa00b3bfb279f7c6c8713afd605fc761ee59e8ce380
Markdown3b2a0aa433dbb6fa0fae90e5190dd473ec05a96e9b1fed5efe6e8ac15ac96e7a
PDF
Publication pageff458d85d853037a55ed47af164de381e79c686cafcfcea45a7acda4b0efb658
Manifestf57cd175db6912336ef7b0d7b582688004116fe7c183057ec06aa68fc17335cb

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
SignaturePrwmSIkKMF/fx5GJNd5EUAl/gP9m/w/ey5CptxpFhtjLWXaeCxyCn2hM4Z5cxG9+cRsRsQDGjccHSBteD90rBQ==
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

2026-09-17T11:43:02.013378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027546
observed ff458d85d853037a55ed47af164de381...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:01.992149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027546/manifest.json
observed f57cd175db6912336ef7b0d7b5826880...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:01.974583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027546/publication.md
observed 3b2a0aa433dbb6fa0fae90e5190dd473...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:01.958089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027546/publication.txt
observed e7ecfe39f41d6b42aec46fa00b3bfb27...
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.