OpenTechnical

OT-2026-000103224

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, 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-2026-000103224) never changes.

Identity and time

Publication numberOT-2026-000103224 · never reused
Internal UUID01a0aea4-be3f-75ff-9374-a2547cfcd509 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103224
StatusPUBLIC

Content hashes

Canonical texte5954aefc9ab285338d747f20b49565d0ab2ffe01ab4635664c56070203c52eb
Markdown52adfc62807838cbc164c30431e2bfbd5af334df761a08046952dc57d1d4360c
PDF
Publication paged590355afb4bb7aae071429759a14b83463c2a8fe82631039533876f3dee189a
Manifest8af692b75f67a48e02ff5379b5cafe3f4293cd16c67818b3bfc178e52f1b49e6

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
SignaturewRTHFjTFM1FgowFrxUPsJJxT/n+rxI0ctmnajwRiUJ5i//zZ0180Um/1v22JRYNYn8yAQrXNEUd31qqo+E0kDw==
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

2026-09-17T09:23:27.326446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103224
observed d590355afb4bb7aae071429759a14b83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:27.309012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103224/manifest.json
observed 8af692b75f67a48e02ff5379b5cafe3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:27.292398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103224/publication.md
observed 52adfc62807838cbc164c30431e2bfbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:27.275164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103224/publication.txt
observed e5954aefc9ab285338d747f20b49565d...
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.