OpenTechnical

OT-2026-000099553

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000099553) never changes.

Identity and time

Publication numberOT-2026-000099553 · never reused
Internal UUID01a0aea2-c975-7b42-bf12-63bdcf221261 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099553
StatusPUBLIC

Content hashes

Canonical text272975b4f166e2310a454efc2eb7e8e7f0c614dafd3003e294aeda8e01c41d9f
Markdown9e9aa8b7444ac4c76136704b99609fc04d06facdaab849c1c603620e8bfa3d31
PDF
Publication page5e02cca70241b66f0ed34b1fda5e10d04296e160f43022c98c36c23b9dfb803d
Manifest26368bcdf706d6c8d41e7666450426c23e21dc9948e18ee3fcd483633aff1cd7

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
SignatureE/qFWmBjFWgsHYgdIoR0zNzKg09xWYAFpzHkTZ+VYLdNCejnQO1f0b8TMvWA1248I8SDh2nEKyU0CABustMiCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:27.674639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099553
observed 5e02cca70241b66f0ed34b1fda5e10d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:27.656695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099553/manifest.json
observed 26368bcdf706d6c8d41e7666450426c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:27.637802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099553/publication.md
observed 9e9aa8b7444ac4c76136704b99609fc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:27.614805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099553/publication.txt
observed 272975b4f166e2310a454efc2eb7e8e7...
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.