OpenTechnical

OT-2026-000016723

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two 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-2026-000016723) never changes.

Identity and time

Publication numberOT-2026-000016723 · never reused
Internal UUID01a0ae6e-5918-7c2a-ab43-e47ba62bf450 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016723
StatusPUBLIC

Content hashes

Canonical textb9c357cdf9a8665e02bfd8be7f9d25c3303db691cc1e7a5735abdfac77f781a8
Markdown936aa66a630bbe4e21d2ab1eab57e4458b10303f8ee5b77284e1523b72e0abfd
PDF
Publication page68f6946b9f6cbcc15c8776d744a3d15742ebd374669ef4c40e4140aa3100b655
Manifest843cb9087425132cf7da130936fb6ffed6435c25ea7b167aa2b88045954e45aa

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
SignatureCOtAFsOe3er2jnz4X+6F1NB1Nl4rZhM8PmITkv1hkW7X92Dq0gkR0RHtth7NP3Ovey+vSZ5N6GBBRlVCpUbMCw==
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

2026-09-17T12:02:57.127127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016723
observed 68f6946b9f6cbcc15c8776d744a3d157...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:57.108980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016723/manifest.json
observed 843cb9087425132cf7da130936fb6ffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:57.091012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016723/publication.md
observed 936aa66a630bbe4e21d2ab1eab57e445...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:57.073865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016723/publication.txt
observed b9c357cdf9a8665e02bfd8be7f9d25c3...
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.