OpenTechnical

OT-2026-000036619

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000036619) never changes.

Identity and time

Publication numberOT-2026-000036619 · never reused
Internal UUID01a0ae77-46e7-7303-8cb1-3fc32577b3d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036619
StatusPUBLIC

Content hashes

Canonical text19006c1979e94af11c1afb25720ffe2ed7ddcd56cb3c55ad076248c71a3aac29
Markdowne4acbb68bfbffc9f8a4fd08422964b507fd55fbcf38db38baa2e67896b4ed186
PDF
Publication pagecba0d84b8203c566011e134e83eea6d805777fd9e57a4b8d71358d59dcd4e37f
Manifestc2a44bfc33f024515c312d0b76edbb5fecbfea24061e49eab4d1eb24abbfc9e7

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
SignatureCqWDrihmyfyuahE13XL5t71PrQot4IoLUVbv6wG5/CTvOEgmovGm/h+dqutAcZ6vKp9hvoy4fIBhgJ6VSYCjBw==
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

2026-09-17T11:25:51.129373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036619
observed cba0d84b8203c566011e134e83eea6d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:51.112470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036619/manifest.json
observed c2a44bfc33f024515c312d0b76edbb5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:51.094420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036619/publication.md
observed e4acbb68bfbffc9f8a4fd08422964b50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:51.074796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036619/publication.txt
observed 19006c1979e94af11c1afb25720ffe2e...
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.