OpenTechnical

OT-2026-000025525

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000025525) never changes.

Identity and time

Publication numberOT-2026-000025525 · never reused
Internal UUID01a0ae71-5fa8-7c5e-807d-26a77821a616 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025525
StatusPUBLIC

Content hashes

Canonical text210da0e8b8f32490dd0bbd9317eba9e1258d017d410e0fea24f97de630ff5f03
Markdown3485970f0f9ad2acef6c7f7c4d8fe5a27403ac2c10bb0b4e26daaeefaa76955c
PDF
Publication page0b47b4b34e1fd7bc3833d543cbe3c84d27ad02dbdcfce95fab17eb7cf329af4f
Manifestfbe09b14c62a9fdf9fbf09026f0f28dbeda60a60d3b6ac8cf694fd2f899a77e9

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
SignatureN94s60yUz6WFJjQ2HFA7LIwtNuh/qBmSbF+ir0yMgavkfBz7LBkODQp0zYStPxgR8OIdt5ws64kbbIJUzNoxAQ==
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

2026-09-17T11:47:40.000607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025525
observed 0b47b4b34e1fd7bc3833d543cbe3c84d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:39.982454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025525/manifest.json
observed fbe09b14c62a9fdf9fbf09026f0f28db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:39.963065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025525/publication.md
observed 3485970f0f9ad2acef6c7f7c4d8fe5a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:39.943703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025525/publication.txt
observed 210da0e8b8f32490dd0bbd9317eba9e1...
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.