OpenTechnical

OT-2026-000015079

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pulsed 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-2026-000015079) never changes.

Identity and time

Publication numberOT-2026-000015079 · never reused
Internal UUID01a0ae6d-d096-70cf-b53b-d6398bd81e19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015079
StatusPUBLIC

Content hashes

Canonical text80b1564cd774ae3531a9d005ce59e2ce17bf98594d09bedc07c2abae30281fc0
Markdown1a631bb1326780da851f511b5c4653c2096b7dea7b512b907046df14fec76609
PDF
Publication page7f8153794c1a1f250ef7bb1fff991220379b11526c0c10591ecc4c52d8e999e9
Manifest4acd86513969e9d551c9f18eb94ee2af18d712f1c4ca960526528f715fed1bf5

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
SignatureVTzDrq+Gql7ZxGPrBTvufOUmwbat6GusF6qCHE2CoeVXLEXdMwp2S1gvCH1CDsuFqXh15+HtfMV+4y7bp+H2AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:07:07.775547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015079
observed 7f8153794c1a1f250ef7bb1fff991220...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:07.753722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015079/manifest.json
observed 4acd86513969e9d551c9f18eb94ee2af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:07.732658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015079/publication.md
observed 1a631bb1326780da851f511b5c4653c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:07.711632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015079/publication.txt
observed 80b1564cd774ae3531a9d005ce59e2ce...
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.