OpenTechnical

OT-2026-000014186

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, pulsed 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-2026-000014186) never changes.

Identity and time

Publication numberOT-2026-000014186 · never reused
Internal UUID01a0ae6d-b279-7f37-ab63-aed6390c0e39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014186
StatusPUBLIC

Content hashes

Canonical text36b74365f7e052d1b5dd1973f67d466e2493b641f5ee07419bcdf0cc1392653e
Markdown11bb780d7e3ed194c93207a4cb9f145e8dff2094104ea3ffdfa3c8dc0f200dab
PDF
Publication page2127676b1cfac14b1ee3d2dfa071c7ff312da10a9b7e1bd7497a7e7ee97cd5a4
Manifestc5fe1163709d0a66f88874251289955243902d85c7953cb81961d94d7e4154bd

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
SignatureL2DgbznmVir4QMceZJnJFzNk1hkYeB7SZXYbcStjde+BPJtzVd73LHQnYkFGB7yYkyQJPN9XvLBfA4JqUCxGDg==
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

2026-09-17T12:07:16.908971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014186
observed 2127676b1cfac14b1ee3d2dfa071c7ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:16.888468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014186/manifest.json
observed c5fe1163709d0a66f888742512899552...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:16.868026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014186/publication.md
observed 11bb780d7e3ed194c93207a4cb9f145e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:16.847007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014186/publication.txt
observed 36b74365f7e052d1b5dd1973f67d466e...
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.