OpenTechnical

OT-2026-000017669

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line 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-2026-000017669) never changes.

Identity and time

Publication numberOT-2026-000017669 · never reused
Internal UUID01a0ae6e-96fa-7dd5-8481-c7675e460bc2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017669
StatusPUBLIC

Content hashes

Canonical text30acb0c90cd1d43b0e1443bcd9d38137dd97596c4a19d64bff4381d29c673db3
Markdownae44a9231f147a58ca2b61d1ed40bb76f872cf94ba4f013fbd43e696afd113d9
PDF
Publication page06ca286559962be970be8dc06ec48f74459a0095114da2a52ac25ad4d0b4a193
Manifest33fee21c69d55be53cdb2f70c6f7fcaf559d62fd98d99c0ed9b671727e7092fb

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
SignaturehfNJyDQq2ypWOvFyCSWsi3muj1Vj//a34p00ktFCIsDKulJfVhCHuYs8mN5oUvvqUNhqScgwUFeiYCvVIS5cCw==
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

2026-09-17T12:01:36.383532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017669
observed 06ca286559962be970be8dc06ec48f74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:36.366004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017669/manifest.json
observed 33fee21c69d55be53cdb2f70c6f7fcaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:36.347126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017669/publication.md
observed ae44a9231f147a58ca2b61d1ed40bb76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:36.328714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017669/publication.txt
observed 30acb0c90cd1d43b0e1443bcd9d38137...
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.