OpenTechnical

OT-2026-000065394

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, 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-2026-000065394) never changes.

Identity and time

Publication numberOT-2026-000065394 · never reused
Internal UUID01a0ae8e-46f8-78cf-b77d-0f6e9fc6c28b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065394
StatusPUBLIC

Content hashes

Canonical textc1896d91051c92fcf62e500f99a23c8396c61725800c4d8706855e9835e5eb62
Markdownd31cc1fc5b4477b673e454d8836b2229f1cdb839156031f888d8e5894e1bbf25
PDF
Publication page02ae1a0ea90898e4ec95b29573367cf86e532c7da81a085225dffd01d1146029
Manifest00bafeaecabca6d4c1c9a6faf7a77fb5da670384adc121b0caf07a9296ce33f5

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
Signatureviwfn3v2tts3wHGQOf0sjMs8kukRj/farPSaR4kp0BeiSXCrQCH8bUUmkmIG0xcQkki/RRucnDRqfQrQQOy7CA==
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

2026-09-17T10:33:39.261953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065394
observed 02ae1a0ea90898e4ec95b29573367cf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:39.242553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065394/manifest.json
observed 00bafeaecabca6d4c1c9a6faf7a77fb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:39.223735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065394/publication.md
observed d31cc1fc5b4477b673e454d8836b2229...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:39.203919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065394/publication.txt
observed c1896d91051c92fcf62e500f99a23c83...
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.