OpenTechnical

OT-2026-000043371

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000043371) never changes.

Identity and time

Publication numberOT-2026-000043371 · never reused
Internal UUID01a0ae7b-327e-7544-bd62-3c142de4040e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043371
StatusPUBLIC

Content hashes

Canonical text4ef467a17bb5c2c2b258cd4d807e029119345fac6f76115f7eae104e5275fa75
Markdown8e6b22ec2f97dcb1a2970ce8cf3816af7d62f6e07711233922d5b6d8e1b4e550
PDF
Publication pageb5c3d7d2282d42167fd22a7991b602637a1eaf85b8d60974f4d3bb00830acbc6
Manifest2d4e609a9d110ef07790da852f8fa18b2a63cb114828edfd71529a3b5c5f2aab

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
Signaturez26eIZBt6lBIT8bOVh2lrF5WcEBJZ7xHxtAAWUZKALJuoF5QcTes3voREUkYM29NSO9GvCiRTlYe9j+HNZ7PCw==
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

2026-09-17T11:13:53.818823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043371
observed b5c3d7d2282d42167fd22a7991b60263...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:53.796952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043371/manifest.json
observed 2d4e609a9d110ef07790da852f8fa18b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:53.774465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043371/publication.md
observed 8e6b22ec2f97dcb1a2970ce8cf3816af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:53.755111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043371/publication.txt
observed 4ef467a17bb5c2c2b258cd4d807e0291...
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.