OpenTechnical

OT-2026-000007683

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line 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-2026-000007683) never changes.

Identity and time

Publication numberOT-2026-000007683 · never reused
Internal UUID01a0ae62-76bd-7afe-b1c5-8136ee591df8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007683
StatusPUBLIC

Content hashes

Canonical text6a76b37725420968b9db7f11db9592770f9d758b66fd058647650ebe5df4ec32
Markdown480122a815c8900ecbd145c23480c829fc2b2e743fffa30d0e3eef4098a26f69
PDF
Publication page3692bc11480c204e2c398782b74a7dad1ed1626a77861775adc755e53159c891
Manifest3dcd511305b56571095ea7094f72e927797d8d77d9af4b408ac9b6a115e0eba7

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
Signatureah1mwnHbDJKV/qfJ2Ye+xsrx4hf5B7gr6fHxnZ976gGuZ36Jqnc2LNzPM2GAeSuWsUAMrY+o3iVBCsAtWMzyDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:18.648471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007683
observed 3692bc11480c204e2c398782b74a7dad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:18.630924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007683/manifest.json
observed 3dcd511305b56571095ea7094f72e927...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:18.611588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007683/publication.md
observed 480122a815c8900ecbd145c23480c829...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:18.594422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007683/publication.txt
observed 6a76b37725420968b9db7f11db959277...
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.