OpenTechnical

OT-2026-000017420

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000017420) never changes.

Identity and time

Publication numberOT-2026-000017420 · never reused
Internal UUID01a0ae6e-76c9-756f-be5f-19ca4a219400 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017420
StatusPUBLIC

Content hashes

Canonical text10f2c1265ae0a673b90c0bc1e07b2c2867451fb173ec80ded2358ec512179eb3
Markdown64de8402762a0d9b2c198f95594c9df22bd5b552356616c236283dd043250ae3
PDF
Publication page0ae6af63c01cb5cf3eeed5d978b7eb3defea5d1873393973dade110db1f157a7
Manifest3c13ac730a99aba0ffd1f9498365798bf86f66b810bb01920c303fe88c71af10

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
Signature8gCejRvF+lfTQZPtNmh5902nRDutj3sNTsxSN9QH7Ne8BQLgWONzpFEN0oAVLLx9kEHqdKG4X7WrBrImkm1xAg==
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

2026-09-17T12:02:32.961572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017420
observed 0ae6af63c01cb5cf3eeed5d978b7eb3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:32.945167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017420/manifest.json
observed 3c13ac730a99aba0ffd1f9498365798b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:32.927657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017420/publication.md
observed 64de8402762a0d9b2c198f95594c9df2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:32.909962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017420/publication.txt
observed 10f2c1265ae0a673b90c0bc1e07b2c28...
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.