OpenTechnical

OT-2026-000045051

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, 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-2026-000045051) never changes.

Identity and time

Publication numberOT-2026-000045051 · never reused
Internal UUID01a0ae7c-f768-785e-9407-04f4ea2edd56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045051
StatusPUBLIC

Content hashes

Canonical textc0c8bcec2321d887704254401177a88e2c89f800936f2825a0f9103499cf6d26
Markdown86f0fb1a908530bfc3c8cc42dfd546c5a8cbc6109514e2bb26ca8f35e0c43912
PDF
Publication page65f0f390288c599cabd60da2dddd297b6c0354f3f2144c8eaa5eaf347a39aac2
Manifest0c5b85df2047a1441d90cbb903d9a3be480045b95c281ae1ac6356bf7af1d871

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
Signature9g6T8TBP3Z+NSfF7ccN/p/dedyDYXpqEbWcmnbNBKPw2GsoUMKSxcTrWZgAX0NFXempQTRquM+8ugm3M2x55Cg==
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

2026-09-17T11:10:04.462172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045051
observed 65f0f390288c599cabd60da2dddd297b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:04.443597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045051/manifest.json
observed 0c5b85df2047a1441d90cbb903d9a3be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:04.424817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045051/publication.md
observed 86f0fb1a908530bfc3c8cc42dfd546c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:04.404609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045051/publication.txt
observed c0c8bcec2321d887704254401177a88e...
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.