OpenTechnical

OT-2026-000104055

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, 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-2026-000104055) never changes.

Identity and time

Publication numberOT-2026-000104055 · never reused
Internal UUID01a0aea5-341e-7e7d-8dff-417719b00645 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104055
StatusPUBLIC

Content hashes

Canonical text1c40d0332132b021dbdcef6382f69e6c9a3cb6d7ec6a726ecacd8ae17e28dedf
Markdown09f274627dd60ab5ff1329a99276f5533762d5503635b5304a5c8bc7f407105f
PDF
Publication pagea9959f369ea79994054711f179e2f3738ded8a4692be87879c902a213eefb876
Manifest6abaf10c11a1ae044e83a8921d173f221d66110fdc6666f29c2e94cc6b9b3eac

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
SignatureRyj/UgJYPrfGyaWGcdR8sU/IdOO9erXrY2pexp1aet9k30lUDILYeip7sYY1qpqRtM1RYLcqhszlTvqH2nb9CA==
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

2026-09-17T09:20:07.419857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104055
observed a9959f369ea79994054711f179e2f373...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:07.402623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104055/manifest.json
observed 6abaf10c11a1ae044e83a8921d173f22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:07.387151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104055/publication.md
observed 09f274627dd60ab5ff1329a99276f553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:07.369888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104055/publication.txt
observed 1c40d0332132b021dbdcef6382f69e6c...
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.