OpenTechnical

OT-2026-000003753

Publication integrity record

Vacuum cup gripper, four zone face, three outlet manifold, plant vacuum fed, pressure verified

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-2026-000003753) never changes.

Identity and time

Publication numberOT-2026-000003753 · never reused
Internal UUID01a0a90a-f5c4-78e7-978b-12fc0c7f243f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:42.918556Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003753
StatusPUBLIC

Content hashes

Canonical text34b57362514b73c8c0d69d10f89002fcb078ed4d89ddd7050604c958502d7223
Markdownefa0dee3277a8da77ddae87b436498467fd6c6e509c0e9a8643ca4d201db0d04
PDF
Publication pagead2105961c20840f1b301b7cb33dafe56757700f16b72b27bfe4fc8a6f1ad9fa
Manifest2af91d20d4fced614246b47a77e4f6b67c809859adb459c5c10d46e29ff733c0

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
SignaturekhG9EDGRjklBztRdG0BqSwvHxkxTq8m1k4c+7B17OW73eKBdP/XFnSDCUid0fnCeu1ZG5QRqLHfICrxfLQu5CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:22.473280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003753
observed ad2105961c20840f1b301b7cb33dafe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:22.389696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003753/manifest.json
observed 2af91d20d4fced614246b47a77e4f6b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:22.375606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003753/publication.md
observed efa0dee3277a8da77ddae87b43649846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:22.360512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003753/publication.txt
observed 34b57362514b73c8c0d69d10f89002fc...
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.