OpenTechnical

OT-2026-000033713

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, pulsed blow-off after 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-2026-000033713) never changes.

Identity and time

Publication numberOT-2026-000033713 · never reused
Internal UUID01a0ae75-a390-7c48-9811-ecd5359519e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033713
StatusPUBLIC

Content hashes

Canonical texta1896298c758d60669225dc5261c6fbb2ceb2769ed6d6517e53eec7eb95ebe08
Markdownfc4f873db09f093abf6ff42991036ed62f3ee3b2624523fd8146e15a1bc3ef68
PDF
Publication page7875a6e5aa4a8c0169368a641966e15461d52a8ba5423a7a207e10920c97e15d
Manifestb5624420879d1b0836056878f30932be87cbbe998691a5f31bd2acf2e8eb0448

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
Signaturekhdux+Ern3uwlOyASccfIQwL5NPRLhC3oFmoxsgGVY+CQH+PgEejnNwAOqauLVZ1A0DcszhcK/YLvpxB9kLBAg==
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

2026-09-17T11:31:42.778181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033713
observed 7875a6e5aa4a8c0169368a641966e154...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:42.760314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033713/manifest.json
observed b5624420879d1b0836056878f30932be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:42.742014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033713/publication.md
observed fc4f873db09f093abf6ff42991036ed6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:42.725802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033713/publication.txt
observed a1896298c758d60669225dc5261c6fbb...
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.