OpenTechnical

OT-2026-000019838

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000019838) never changes.

Identity and time

Publication numberOT-2026-000019838 · never reused
Internal UUID01a0ae6f-1fb5-7a18-b8df-e168fba8e54f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019838
StatusPUBLIC

Content hashes

Canonical text56ccd953f9db4dc71ac872d44afafe81908e881f6b3fc1626d5ccf7a2b88c866
Markdown8ac77e94eca680c89d8d9aaf559c87b565a524cd32751c3e8022506096881839
PDF
Publication page5dd7859566831caf9cc007a84f7991b39a0b68de36d8fd0ea3784e7b23e77f6e
Manifest99f0770d78b2c85ec9ed9033b30d0a4216dfd0cc3b612431d3d0b0aefd3ae1aa

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
SignatureQaJLt3dlwkH3NIGcsZXb9dcx7WkyIz3NPH+olDAo4RZP00e8JXEIcA2juCU5LMezymJ0XhE1ivghjenyG6fQCg==
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

2026-09-17T11:58:01.162172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019838
observed 5dd7859566831caf9cc007a84f7991b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:01.145038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019838/manifest.json
observed 99f0770d78b2c85ec9ed9033b30d0a42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:01.126441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019838/publication.md
observed 8ac77e94eca680c89d8d9aaf559c87b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:01.107490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019838/publication.txt
observed 56ccd953f9db4dc71ac872d44afafe81...
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.