OpenTechnical

OT-2026-000012949

Publication integrity record

Single cup vacuum gripper, common isolation valve, three 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-2026-000012949) never changes.

Identity and time

Publication numberOT-2026-000012949 · never reused
Internal UUID01a0ae6d-5564-7e22-9e19-45a572a2beb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012949
StatusPUBLIC

Content hashes

Canonical textc916d79a1f08166b4dd4bab75d4ed8b52a4e949182ff51cf5875dc8f9ae165ae
Markdownd2969cc2b6d2acf7b8c46103cfc75d7b4f2d8b71f6911d82ce0ca8134ce27ea0
PDF
Publication pagea29713b893011852bd7d5ab8e076bd85d001057dd58c79b16635693fb66ae1d3
Manifest6d02d8c6ee2eea3ce9f280af5c2e07c1adadc88f20bcbf6fcea439da8793363d

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
SignatureXeTGwcPWgVJ1bti9zCpbf6MCXc67s7ftOM6x00VTwGCzreIDQtlyXxyF15PDxFwMglOGfW18H9R+csLJoBxOBQ==
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

2026-09-17T12:10:45.321635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012949
observed a29713b893011852bd7d5ab8e076bd85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:45.303480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012949/manifest.json
observed 6d02d8c6ee2eea3ce9f280af5c2e07c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:45.284111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012949/publication.md
observed d2969cc2b6d2acf7b8c46103cfc75d7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:45.265290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012949/publication.txt
observed c916d79a1f08166b4dd4bab75d4ed8b5...
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.