OpenTechnical

OT-2026-000015093

Publication integrity record

Single cup vacuum gripper, 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-2026-000015093) never changes.

Identity and time

Publication numberOT-2026-000015093 · never reused
Internal UUID01a0ae6d-d097-7415-9231-985ff72464c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015093
StatusPUBLIC

Content hashes

Canonical text3fe924da8df62d699ac2d226890eb2e3bf91fee84117b2f1800213f4e170c5d8
Markdown3542d4894fd21bd33bfe88a063805a09816ccbea03e4992b16d9cd15becc4800
PDF
Publication page38e2286e414996e712a7b3f88b15984674a44540c11a4fd4f10f702fde7ddbd3
Manifest69a7a928b8e96c583ac1b9e7c1b9c8dc52763defe2d20e14d67e5f54dded7f34

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
SignatureICKX97B4vK/oDQsaNdKBGK/D3aUTW4Qp0lcQTy6C1rDJWq2dFwFJN9bC9uLxFEITO3/LI5Jc9K/uNfxDNYrhBA==
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

2026-09-17T12:07:08.917337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015093
observed 38e2286e414996e712a7b3f88b159846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:08.898515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015093/manifest.json
observed 69a7a928b8e96c583ac1b9e7c1b9c8dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:08.880544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015093/publication.md
observed 3542d4894fd21bd33bfe88a063805a09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:08.861014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015093/publication.txt
observed 3fe924da8df62d699ac2d226890eb2e3...
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.