OpenTechnical

OT-2026-000083041

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, sustained 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-2026-000083041) never changes.

Identity and time

Publication numberOT-2026-000083041 · never reused
Internal UUID01a0ae97-c961-753f-ab9e-d9003d0c234c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083041
StatusPUBLIC

Content hashes

Canonical textc0b4d7bd12824eced965440b19a278c57e870aa21ff4e54083539dff2a84aa76
Markdown30a76b738b80a30bf5887e25a07fcff890e98af69c3a82f623a64ead5fe34e98
PDF
Publication page3837823043aaad2e842f8ca36f12d2090f9334cccf4f2179beb23ac095e4f814
Manifest83f14df788f48eb197f0f0e1c81e6a5a45554a1b1a22e0ada3cb6142f4f227b9

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
SignatureUD89cfPAZ/0LXelhz85Ebd+iW8xzhtadM1qITjiHGF6Vn076AB3nDQeSeQfuQVi+h1X7+xkmqYIzH/42hWOABg==
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

2026-09-17T09:00:24.568289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083041
observed 3837823043aaad2e842f8ca36f12d209...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:23.917919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083041/manifest.json
observed 83f14df788f48eb197f0f0e1c81e6a5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:23.899094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083041/publication.md
observed 30a76b738b80a30bf5887e25a07fcff8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:23.881991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083041/publication.txt
observed c0b4d7bd12824eced965440b19a278c5...
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.