OpenTechnical

OT-2026-000037621

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000037621) never changes.

Identity and time

Publication numberOT-2026-000037621 · never reused
Internal UUID01a0ae77-b8cf-79c7-825a-69a5224ae639 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037621
StatusPUBLIC

Content hashes

Canonical text6dc86e49a4496e87ab10c091ce58a8c9b4fa068bab74333ee57da90c26d4ddcf
Markdownfaec772d178836bfe30217a0c6106fae3b0cd964621796e8a8d6fac889ac8917
PDF
Publication pagefef9f5d2a8b30c0d0bbff7fedb9d36d942449107c55eb020d8830e0e206827e5
Manifestab09089dc5a20ea371e6cdf3050c601670b441f57c91835821410088e4abc442

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
SignaturesS+abTwKjoZcr2CfUVnS8rQzdFOfKrrquivgeoA9gC/B3jJDnFRDj85SlSdjfTSiGj9MrQveUMOb7uicqiOhDw==
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

2026-09-17T11:24:10.940452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037621
observed fef9f5d2a8b30c0d0bbff7fedb9d36d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:10.920123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037621/manifest.json
observed ab09089dc5a20ea371e6cdf3050c6016...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:10.902129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037621/publication.md
observed faec772d178836bfe30217a0c6106fae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:10.883477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037621/publication.txt
observed 6dc86e49a4496e87ab10c091ce58a8c9...
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.