OpenTechnical

OT-2026-000032015

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000032015) never changes.

Identity and time

Publication numberOT-2026-000032015 · never reused
Internal UUID01a0ae74-bad3-72d7-9136-68081fcdcd59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032015
StatusPUBLIC

Content hashes

Canonical text7b9c8a9647566f1fb0768f9321faec2796f57554decb2839c86de339ba938a4f
Markdown63403e983baabe134a3535e6cd7e512ba6ec8b1a76151e62bbef4b03e3b341ab
PDF
Publication pageece0c916017549c41b1a7a93ca198d2975360635db5c6668282249c7f69a11a9
Manifestfd26cf3d927cc0bb7553af7bdbd2e70fb453be5c1b33f1664e22121deb6f61a7

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
Signature+lWtC/6bTC9j8OgFg41+xxl2Yq+9ZV2HNH5GGnI1E2Eacf2ooGvP2+uD24JblYNd6rDpLtUDLueGv4Ns2c+IBA==
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

2026-09-17T11:35:25.229431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032015
observed ece0c916017549c41b1a7a93ca198d29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:25.211815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032015/manifest.json
observed fd26cf3d927cc0bb7553af7bdbd2e70f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:25.186083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032015/publication.md
observed 63403e983baabe134a3535e6cd7e512b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:25.158772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032015/publication.txt
observed 7b9c8a9647566f1fb0768f9321faec27...
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.