OpenTechnical

OT-2026-000033591

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum 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-2026-000033591) never changes.

Identity and time

Publication numberOT-2026-000033591 · never reused
Internal UUID01a0ae75-a38f-71bb-aaff-579604bbf4df · 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-2026-000033591
StatusPUBLIC

Content hashes

Canonical text6dac7b3c94f74473d81b264a11546d29100d9d5b8647811ee6983da73dbd9f33
Markdown046e11429756138a9f930e4a8113143b1d69bc2184bcea751611396716cf0b0d
PDF
Publication pagea6bec1a8625bc37952200676b3963a7b4f49a233ba87934223df92a223812a4c
Manifeste81d9ff5698f2ff02af243167af951e65af7d7854e11383557879f4c4e060d3b

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
Signature5oG6zidlZdbCNpvaqk0bbJe8/4KOLdepDfOSyiEY3eQBwfK5R384fUHkLhPrRH/1bvbC5eZLK3gZ1olK/UvaDw==
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

2026-09-17T11:31:28.082336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033591
observed a6bec1a8625bc37952200676b3963a7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:28.065518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033591/manifest.json
observed e81d9ff5698f2ff02af243167af951e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:28.049145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033591/publication.md
observed 046e11429756138a9f930e4a8113143b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:28.032459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033591/publication.txt
observed 6dac7b3c94f74473d81b264a11546d29...
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.