OpenTechnical

OT-2026-000084428

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, sustained 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-2026-000084428) never changes.

Identity and time

Publication numberOT-2026-000084428 · never reused
Internal UUID01a0ae98-5b62-74c4-a30c-2ada138dd045 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084428
StatusPUBLIC

Content hashes

Canonical text3fbd7568831a995f3af105d80d0d5df03d1dc1b09a13216263f8925ef67a4966
Markdownf39d35c4aa887d6d3f68bd35b419aaf2231964e1ef4edf18bde8fa73c86f1c9d
PDF
Publication pagee43caaac6c70429521c1f8cb87ce33347cc22e3405c0f48c5f5a36f57d200244
Manifest33f9179d60618d084bab39c18bd56b1cfda4110e96d27b3674d8aa4993fd1f94

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
Signature9H1J/MqHxoY3nVygqPAE33ol6rjfF6ISZp7j9fO3ynhrcDrmZVCe7JghhFRozjjM8T6JLz0yT8CCdXZ6ksmTCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:56:22.801713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084428
observed e43caaac6c70429521c1f8cb87ce3334...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:22.783732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084428/manifest.json
observed 33f9179d60618d084bab39c18bd56b1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:22.766883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084428/publication.md
observed f39d35c4aa887d6d3f68bd35b419aaf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:22.750162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084428/publication.txt
observed 3fbd7568831a995f3af105d80d0d5df0...
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.