OpenTechnical

OT-2026-000103742

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, three stage ejector, pulsed blow-off after 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-2026-000103742) never changes.

Identity and time

Publication numberOT-2026-000103742 · never reused
Internal UUID01a0aea4-e462-7f8d-8954-e4a34cb8b5a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103742
StatusPUBLIC

Content hashes

Canonical textc809c63a662efc05cde5b98cbdb852084a05e6e837a888296d660c481788a0a0
Markdown87562be765dbae0e94cf43946a500b844ebe55ff8e441401457fb131700a4cc6
PDF
Publication page81e613c36802832d4240ceb5002a86e1a32604c8c1d1d715abd52a232f631535
Manifestb47e933087606bafe79dc8f6653f3d6b01e6db4d30d2d073685e700349c2ea64

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
SignatureN29QcUc9L9L2qYKQ8L109RlTzdfDvqLwBil4m/6q5vKnzwDq315jI2wZKRjHl1xLDWObbMfYOrDvJKOZsAU8Dg==
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

2026-09-17T09:22:41.657418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103742
observed 81e613c36802832d4240ceb5002a86e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:41.641372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103742/manifest.json
observed b47e933087606bafe79dc8f6653f3d6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:41.623940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103742/publication.md
observed 87562be765dbae0e94cf43946a500b84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:41.596208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103742/publication.txt
observed c809c63a662efc05cde5b98cbdb85208...
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.