OpenTechnical

OT-2026-000037644

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000037644) never changes.

Identity and time

Publication numberOT-2026-000037644 · never reused
Internal UUID01a0ae77-b8cf-7206-a549-6b41b2e9fede · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037644
StatusPUBLIC

Content hashes

Canonical text7f31a8d450a89a778e2a9cc53c5067aa9f65d24b4de7dad231057c739cdb057c
Markdown37d1127ee8e6e2082d3973ed99f93bce6938f6f859b1aa0c7b42e942db815bfd
PDF
Publication page60ef155dfd7ae37ee60e864a54488f6f9a4155f974e27d8df3bacdb554d458ae
Manifest2d1aed120c919f88d9e675e1581db9c2874a3a4c6ae145959759fdddd1b388cc

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
SignatureeoRg9YnnyT8tBC/Sz/iaFNE/+vJPS0qKXyTL6vtUq9Ah0Ao0AfePVPfeTp5CWwsP5YgF78XAH7M0dJBYPf60Cw==
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

2026-09-17T11:24:12.948400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037644
observed 60ef155dfd7ae37ee60e864a54488f6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:12.930657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037644/manifest.json
observed 2d1aed120c919f88d9e675e1581db9c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:12.913341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037644/publication.md
observed 37d1127ee8e6e2082d3973ed99f93bce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:12.895007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037644/publication.txt
observed 7f31a8d450a89a778e2a9cc53c5067aa...
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.