OpenTechnical

OT-2026-000062306

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000062306) never changes.

Identity and time

Publication numberOT-2026-000062306 · never reused
Internal UUID01a0ae8c-0abe-72e9-bc51-0ce0ffec6adc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062306
StatusPUBLIC

Content hashes

Canonical text20724c8c07a2951b84fd9a84e469e0ccae310ba413a8912645521b6bca16c1ea
Markdown67d71540a5ee28df5f42c3d0b51ec703c41e82939c5de9114b51ef1cc6cec0b7
PDF
Publication pagea0c93086bd170513faf7999f037a527de63ef707a2f1d2c11303589ddd1513e9
Manifest2e76feb3cb41dc0dc79184286b730c4c2dba7cef0176acc12a8f82649836cb5f

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
SignatureFvLcZjZmcRbQJQAidiJM8O2A0ixB0ypHThFi9UTKdyoWAl/BcdA2drSgfjtTHQBfXE2BFqHaXqJpTP6hAehKCw==
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

2026-09-17T10:39:36.313793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062306
observed a0c93086bd170513faf7999f037a527d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:36.293663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062306/manifest.json
observed 2e76feb3cb41dc0dc79184286b730c4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:36.271406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062306/publication.md
observed 67d71540a5ee28df5f42c3d0b51ec703...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:36.250154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062306/publication.txt
observed 20724c8c07a2951b84fd9a84e469e0cc...
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.