OpenTechnical

OT-2026-000022859

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, pulsed 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-2026-000022859) never changes.

Identity and time

Publication numberOT-2026-000022859 · never reused
Internal UUID01a0ae70-46eb-77cd-b613-d0140250e7a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022859
StatusPUBLIC

Content hashes

Canonical text6adef2ed757dcdbed89ce3eab8e7281b2aeea80d2c48c712e68e5815adea0fd6
Markdowndd7e0e71fa8a135d321671c92d97b8f6ae607da13936297fdfc3d3821abc81c0
PDF
Publication pagef4a4bee36d2ff347d8556865a05774dc81f2943c6b710380215ed13bba39d3bf
Manifeste0b56018293f76a184243300e3ce650fbd73a4a7dc192d9c40f43d010f416cc0

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
SignatureAyEUT1XOI/2EBrhJTW6l8D4ZC643RkrOxXxH/eyjugqikUuEtIc9dmrRyL0BGWzJUdmVZ8GSEWki0INvDd/SAA==
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

2026-09-17T11:52:23.984300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022859
observed f4a4bee36d2ff347d8556865a05774dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:23.965219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022859/manifest.json
observed e0b56018293f76a184243300e3ce650f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:23.946683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022859/publication.md
observed dd7e0e71fa8a135d321671c92d97b8f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:23.918796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022859/publication.txt
observed 6adef2ed757dcdbed89ce3eab8e7281b...
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.