OpenTechnical

OT-2026-000018074

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000018074) never changes.

Identity and time

Publication numberOT-2026-000018074 · never reused
Internal UUID01a0ae6e-96fd-73c3-99a7-d4d621a389d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018074
StatusPUBLIC

Content hashes

Canonical text883ec11debe2f1373d38f463422e329f22dfc3f8dd8ba6ded4f8935df5f21c85
Markdown5912f96483074a766b1807644c22d55df3361a940e5cf874f5b7e429329f6c96
PDF
Publication pagecdfdb1496b58794cd8724d1499bae39ea436c76d999dc5dc485090f2ef45a140
Manifest30bae80544738a9ae0a27470b22e1adc86c6b198ea41464ac1b163bf5907898a

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
SignatureCUPrHPU99GZwNvSBPLbVzxHWlwQkfuvP3BxwTLsxphQnVDFxdOXVXjBgNzdWsd5pr2KN+BIa1mKwOfIbw8MsBw==
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

2026-09-17T12:02:06.923115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018074
observed cdfdb1496b58794cd8724d1499bae39e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:06.907303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018074/manifest.json
observed 30bae80544738a9ae0a27470b22e1adc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:06.891541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018074/publication.md
observed 5912f96483074a766b1807644c22d55d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:06.874798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018074/publication.txt
observed 883ec11debe2f1373d38f463422e329f...
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.