OpenTechnical

OT-2026-000076461

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000076461) never changes.

Identity and time

Publication numberOT-2026-000076461 · never reused
Internal UUID01a0ae94-6a71-7ef5-b41d-7b33ecca399c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076461
StatusPUBLIC

Content hashes

Canonical text15f686a44e960b8796fb38ec244c5e80e4939bfdf8a44a6c2cb3ccc435da64a6
Markdown3c3080647642ed106a7bec1032c8d5ac5cd328fe3ebf41b184cee4bed9aac949
PDF
Publication page13d26b7c8825b6a413aecabb2236971b612072ac8018691cbab04b19227bfee6
Manifest97243d3af2e1b7d2fdd0154e50d9623fdca01b69195ca0988164405171f593ac

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
SignaturerV1hviVEvRuP3NaR1WHUKPIJ9VKbtx2VsEnyHQJjKh2suDhB5xfClQisdP3kkYHvAzaa7O5LGkQgLDBCJL9DAw==
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

2026-09-17T10:12:37.266914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076461
observed 13d26b7c8825b6a413aecabb2236971b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:37.247684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076461/manifest.json
observed 97243d3af2e1b7d2fdd0154e50d9623f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:37.226982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076461/publication.md
observed 3c3080647642ed106a7bec1032c8d5ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:37.207145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076461/publication.txt
observed 15f686a44e960b8796fb38ec244c5e80...
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.