OpenTechnical

OT-2026-000019573

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000019573) never changes.

Identity and time

Publication numberOT-2026-000019573 · never reused
Internal UUID01a0ae6e-f394-7450-beba-49e845a6558f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019573
StatusPUBLIC

Content hashes

Canonical text160048ceb39f93d3925f8d29908a4ef66969989005431c64784ecaad208edea4
Markdown0ec747587db88230fc11667eb529990401f6dc7199f0c89388bc6a6fe8526028
PDF
Publication pageab36c3b13fa4a27216ee159cc0c22b765e9a9b9b2628f1de1f1dd9e901c370ac
Manifest32b717080dde78fdf165093b0eba8df15b9ef9ef7c2768b6f17d69b60b54cee1

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
Signature9IN0JenK5y0k/xKuaZu90ltiMfBtB7dLA+owjaa/LARG4MD8YBLhFpXPdi5apY3q4XpXj9vBLOzfUW4kBp+XBg==
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

2026-09-17T11:59:01.229401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019573
observed ab36c3b13fa4a27216ee159cc0c22b76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:01.211021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019573/manifest.json
observed 32b717080dde78fdf165093b0eba8df1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:01.193561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019573/publication.md
observed 0ec747587db88230fc11667eb5299904...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:01.176808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019573/publication.txt
observed 160048ceb39f93d3925f8d29908a4ef6...
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.