OpenTechnical

OT-2026-000043825

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, sustained blow-off after 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-2026-000043825) never changes.

Identity and time

Publication numberOT-2026-000043825 · never reused
Internal UUID01a0ae7b-d677-767b-a0a0-3ffe47de7f67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043825
StatusPUBLIC

Content hashes

Canonical text48c984142afe7ceb1a811d0afcb1bee5e483766f3c80ee99e377782d5c61b4be
Markdown5e6f84ed3608dc6d7a0f18e8617374a6893b6fc912bfcafde019674384525107
PDF
Publication page049d2e8f05f162967a53ccace16687e23c5b4139ec3100d19d0aa32bdfe5dab5
Manifest00275bb913a1ec781bb21bbfa45ebc6a642e54d2c1c67378f77d1f3dfa01e342

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
SignaturewBVbXn8xQtmJ9xDH3JFcOVitC0DEJEjiaa6HFRWLyB/Hc2sGWWWrvBo1ltvRLC0RcoqQHkVe/wl0PAgHuGpRDA==
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

2026-09-17T11:12:08.161010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043825
observed 049d2e8f05f162967a53ccace16687e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:08.141566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043825/manifest.json
observed 00275bb913a1ec781bb21bbfa45ebc6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:08.122227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043825/publication.md
observed 5e6f84ed3608dc6d7a0f18e8617374a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:08.101994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043825/publication.txt
observed 48c984142afe7ceb1a811d0afcb1bee5...
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.