OpenTechnical

OT-2026-000022445

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, sustained blow-off before 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-2026-000022445) never changes.

Identity and time

Publication numberOT-2026-000022445 · never reused
Internal UUID01a0ae6f-f4fd-71a6-882b-b50984db9f25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022445
StatusPUBLIC

Content hashes

Canonical text38ee8b8212e860a30b39e32727d48bc84ae2b1475f6fdbb825848e4a6bfafb72
Markdownaed49e30d0eee64863279ba8493fc8743a8b8501ba3e32cb0eccd8d48de479fe
PDF
Publication pagefcabadd4d0c0261053c9bbfa7da5bf334edf6ed0fef059be4ddf1c2757dd1849
Manifest6b4d86ac48a96da411c4b8dfaf665fba0a86131bfddeecfb8eb4d2e027928c00

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
Signaturej0SJHiXUovdPrrinLdQyp4YNMWe03KDXi+9m2kE8TDVnzN3uXUrObmcOqWbMdO1iZbGVfH1E10BbbX4XiJxcCA==
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

2026-09-17T11:53:50.426201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022445
observed fcabadd4d0c0261053c9bbfa7da5bf33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:50.410341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022445/manifest.json
observed 6b4d86ac48a96da411c4b8dfaf665fba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:50.392280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022445/publication.md
observed aed49e30d0eee64863279ba8493fc874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:50.371857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022445/publication.txt
observed 38ee8b8212e860a30b39e32727d48bc8...
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.