OpenTechnical

OT-2026-000017755

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000017755) never changes.

Identity and time

Publication numberOT-2026-000017755 · never reused
Internal UUID01a0ae6e-96fa-7090-a7c2-12e6325813e8 · 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-2026-000017755
StatusPUBLIC

Content hashes

Canonical text74be88be1b2568fdd8bfbdb4b73f3c289450f29213f29909ade846cdf86e8b9b
Markdownfbcbd96a17b759bd44a01c80432f6f1f46d9fbe042e27eafb5dd7b5df5051384
PDF
Publication page06eab8add87dab828787a59f09f8c6132032bc522a9d6fbccaf375797dedea6f
Manifest37ecd61f66f9ea0a1ee95c96471b4597493769c215b617d7184a1e991f1996b3

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
Signature7WPJW2WgMU913JMkZQ2AM+h/4pbD6NrdKWPSlu1uxkhtQOKu7xAe/HN7jPKvsRJte/ecTqZyPClDEMtykci4Cg==
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

2026-09-17T12:01:42.637416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017755
observed 06eab8add87dab828787a59f09f8c613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:42.618166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017755/manifest.json
observed 37ecd61f66f9ea0a1ee95c96471b4597...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:42.601044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017755/publication.md
observed fbcbd96a17b759bd44a01c80432f6f1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:42.585006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017755/publication.txt
observed 74be88be1b2568fdd8bfbdb4b73f3c28...
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.