OpenTechnical

OT-2026-000100663

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000100663) never changes.

Identity and time

Publication numberOT-2026-000100663 · never reused
Internal UUID01a0aea3-66f3-7d26-9df7-dfacfa244dfd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100663
StatusPUBLIC

Content hashes

Canonical text622516c14b55ef4333a9f5e88663a8d4127cc0b2df9fdf27b8d3c7913c9b4cd0
Markdown3bea060c3e65331c7475087a71df6d314d62e0f1ab55a49e9e1bd125673f194a
PDF
Publication pageb92ff7bef679ce1f9360a6e554c60916eeb2703b340040e5953563a24dc22000
Manifestac1a173b2acfc14f5b2c3a9b301be0e7d001a95db3197048a4e84dfe01dc70b6

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
Signature9HfQcigzKXCouSPuHFyZMFYjw1kzRW+7s5x9EDRsp9yMnJ3uR3DEUDmU3RZKVRGXyRgV4zZsqh6qPwlE8VdiBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:28.328367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100663
observed b92ff7bef679ce1f9360a6e554c60916...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:28.309660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100663/manifest.json
observed ac1a173b2acfc14f5b2c3a9b301be0e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:28.291105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100663/publication.md
observed 3bea060c3e65331c7475087a71df6d31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:28.273987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100663/publication.txt
observed 622516c14b55ef4333a9f5e88663a8d4...
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.