OpenTechnical

OT-2026-000042259

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000042259) never changes.

Identity and time

Publication numberOT-2026-000042259 · never reused
Internal UUID01a0ae7a-5d73-7f7d-bb1f-aa9ca964403f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042259
StatusPUBLIC

Content hashes

Canonical textf3a768ea1076b11954760982f96faf9dce6dbd55055eb1d6e48527e5895e9b20
Markdownc0812b5ae86ff0cdc4d8e46b0141e02cd9bb8ade20bfa08e22cfa2398772d502
PDF
Publication page01cab7c112c70b47f9fdf49e417b13e6699ef4a00915f82c5c6f098afaf5046c
Manifest877aee8aee1d194ef67fd04c5e2ae8772972dc6522c40fded8b9e7315f5a23b6

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
SignatureGzZVf6cQRQTNMczJsmwyT1uLg5gJ/lGA3DEEHwe6grlStG6i+BiUoe+dHbNOdUQ8wML5a9GNCh/AtB8h+O9oDw==
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

2026-09-17T11:15:56.662153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042259
observed 01cab7c112c70b47f9fdf49e417b13e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:56.643210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042259/manifest.json
observed 877aee8aee1d194ef67fd04c5e2ae877...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:56.626577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042259/publication.md
observed c0812b5ae86ff0cdc4d8e46b0141e02c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:56.607621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042259/publication.txt
observed f3a768ea1076b11954760982f96faf9d...
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.