OpenTechnical

OT-2026-000013424

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, pulsed blow-off before set-down

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-2026-000013424) never changes.

Identity and time

Publication numberOT-2026-000013424 · never reused
Internal UUID01a0ae6d-6fca-7cab-8750-ca86cae0ee9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013424
StatusPUBLIC

Content hashes

Canonical text8b1ae50b9546449cc22ea9062020e37a68ba599c485f03449eec1b5bb8b498fb
Markdown691c72c97cc54f1118bed0f5d75d11dad6b5883f6004d2da0f4a107e39bad58f
PDF
Publication pagea2ab47c8689bc7c3127f7dcaae51957be0ef23953ec1be4fffb77abbe0cf0796
Manifestfcbd3d6814e494430a82e96afa05b4610ef524d16823c8e8a3793db395baaa26

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
SignatureV9AupwzVaMwXx/JhVuW6hXDkm69TTMOIfcEhWXnQ+PWOSeAXDJe9hEVUKInsY6OOgz1GrQjK5sUxyGxY3zLTDg==
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

2026-09-17T12:09:54.479414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013424
observed a2ab47c8689bc7c3127f7dcaae51957b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:54.459609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013424/manifest.json
observed fcbd3d6814e494430a82e96afa05b461...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:54.441251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013424/publication.md
observed 691c72c97cc54f1118bed0f5d75d11da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:54.422315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013424/publication.txt
observed 8b1ae50b9546449cc22ea9062020e37a...
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.