OpenTechnical

OT-2026-000033635

Publication integrity record

Foam pad vacuum gripper, four zone face, six 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-2026-000033635) never changes.

Identity and time

Publication numberOT-2026-000033635 · never reused
Internal UUID01a0ae75-a38f-71e2-9344-4ebdabfc2749 · 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-2026-000033635
StatusPUBLIC

Content hashes

Canonical text8851abb3b50acaa4382ab61747225d5939818f50f400dec8df547b0beb63a35c
Markdown65595581dbba595798697170c56e87b2f5b9fa7f2fee3629d8101bd10e597285
PDF
Publication page25b16edaf2c85daedde4f582c65d63e525f620bad0e6dfa8038c343bb6872bb1
Manifestffc53f49cb0fd28b279bda433f6136c4469029d7dc7875f14fa9e0840ab457be

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
SignaturerTz2ssi5SjzA6i951yj4GPxD3jsbc9SrGmC7zNskJ1BwdSGuhcM4vkuQXYkgFi6NMkKV3hdsYA66xWevSkG2DQ==
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

2026-09-17T11:31:36.951200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033635
observed 25b16edaf2c85daedde4f582c65d63e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:36.933416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033635/manifest.json
observed ffc53f49cb0fd28b279bda433f6136c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:36.913994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033635/publication.md
observed 65595581dbba595798697170c56e87b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:36.894894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033635/publication.txt
observed 8851abb3b50acaa4382ab61747225d59...
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.