OpenTechnical

OT-2026-000016588

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single 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-2026-000016588) never changes.

Identity and time

Publication numberOT-2026-000016588 · never reused
Internal UUID01a0ae6e-2d14-774f-bc69-613456ef8c92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016588
StatusPUBLIC

Content hashes

Canonical textd2ebdf88a3325045ff63950545ef2dc3773df3b6dbde5c8e14c088a05fe520a5
Markdowna2e43feaed55ac5132b3d782580c802e61fa400182aaa4dced7957f9b90462c5
PDF
Publication page4a6e2bf436c7d7fb1b81b38dc6b98b9913e2924cdf96788642c4613c9b0c9322
Manifest2e6c85d589f2e420ac8e53a04731526a4627c9a77545c97c6345729e672d7404

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
Signature9hSvlOeWaR4UIJZ9NzOK9pQ6d7/p8i1nv89/Mn8BgdqoJVHFB6wL4AFaf3IEopCe/lF1Gi9yCprL6x3GDU30DQ==
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

2026-09-17T12:04:49.494481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016588
observed 4a6e2bf436c7d7fb1b81b38dc6b98b99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:49.472873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016588/manifest.json
observed 2e6c85d589f2e420ac8e53a04731526a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:49.455188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016588/publication.md
observed a2e43feaed55ac5132b3d782580c802e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:49.435322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016588/publication.txt
observed d2ebdf88a3325045ff63950545ef2dc3...
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.