OpenTechnical

OT-2026-000013930

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000013930) never changes.

Identity and time

Publication numberOT-2026-000013930 · never reused
Internal UUID01a0ae6d-8dea-7589-969e-bda3b0b3d374 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013930
StatusPUBLIC

Content hashes

Canonical text4360b6a2df292961dc1155fdfd67cf9393c0972fecc5251fe4e391681c90b357
Markdown94245e8fb119de30d47df32f39b38893ee809448caf3562dfaa2ee49f82e5f45
PDF
Publication page57484335c92dd739889333217daf6860ee7815a741684245cc9b517aaed20eb0
Manifestd81490e54552f2834b54f3ec2efc2808c80c08439b1f2b8e3ba26240a777a84c

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
SignatureVRImveaHNkSFi+GBd3DdXwu2jDsE59Ll9FEkdfbE3jSsrVO9bD/2G6sN+Hiyrpgn1Tp1Vf2YI0lLGxvYWaLNBg==
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

2026-09-17T12:09:04.003193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013930
observed 57484335c92dd739889333217daf6860...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:03.983649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013930/manifest.json
observed d81490e54552f2834b54f3ec2efc2808...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:03.963772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013930/publication.md
observed 94245e8fb119de30d47df32f39b38893...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:03.942535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013930/publication.txt
observed 4360b6a2df292961dc1155fdfd67cf93...
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.