OpenTechnical

OT-2026-000010928

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, vented after set-down

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-2026-000010928) never changes.

Identity and time

Publication numberOT-2026-000010928 · never reused
Internal UUID01a0ae6c-540d-7ba4-b57a-87ee1a791fdd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010928
StatusPUBLIC

Content hashes

Canonical text1effe22bfaf0d79372dd472bc0468768efb978fc96ac1b6cc169b9ff97ae248b
Markdown0d1ebd36067f18cb4a33813cd1630fc8e12ac9af107a0994ae0e6fbc0d2da159
PDF
Publication page33d66545d9c9f01ebafc762b8c77cafaf95e98e164f328bd08497cece3739361
Manifest6c7b377cd813abebe18224aa49185a9920dc775068f5ce1c457f804ca54e3c04

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
SignatureeotXxqEhyJWjb/hBWBr4dz3IsdD2q0pEsnm3TU1XjUtlaWi9slX55npUrrC8D+P4JyrHeEbK1J4XgYDotAKmDg==
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

2026-09-17T12:13:42.798245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010928
observed 33d66545d9c9f01ebafc762b8c77cafa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:42.777610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010928/manifest.json
observed 6c7b377cd813abebe18224aa49185a99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:42.758020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010928/publication.md
observed 0d1ebd36067f18cb4a33813cd1630fc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:42.739062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010928/publication.txt
observed 1effe22bfaf0d79372dd472bc0468768...
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.