OpenTechnical

OT-2026-000073683

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, supply line 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-2026-000073683) never changes.

Identity and time

Publication numberOT-2026-000073683 · never reused
Internal UUID01a0ae93-2b8c-7c55-a84a-735219fc3da1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073683
StatusPUBLIC

Content hashes

Canonical textb5df5817753e09c1ba1b0f380c02cf8ee1147732be4141f8100026329d4be926
Markdown17691056aea32e0ddc11bc4504988ce9cad40f36a638fa7e7fca78ff580d703b
PDF
Publication paged4a4bdcf900787b4d89375c7cebc194e1a58a2a6d1bcbc5655b43f5070d82cb9
Manifestd172cbc41aa6c7cb951361fbda944ae97ae987a6c60a2ca7de75bb33f474c49b

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
SignaturejK++fdmpQcZUMU/Dn+7v9fprxD0EYrMxf+8gnFw71E0wz+x5u3h4se4bgP0uCiedcxXrIj1dNDILrGu4/swsAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:44.602550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073683
observed d4a4bdcf900787b4d89375c7cebc194e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:44.582482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073683/manifest.json
observed d172cbc41aa6c7cb951361fbda944ae9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:44.563259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073683/publication.md
observed 17691056aea32e0ddc11bc4504988ce9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:44.543833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073683/publication.txt
observed b5df5817753e09c1ba1b0f380c02cf8e...
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.