OpenTechnical

OT-2026-000042628

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000042628) never changes.

Identity and time

Publication numberOT-2026-000042628 · never reused
Internal UUID01a0ae7a-c0ce-7f7b-b77e-1cdd1068c999 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042628
StatusPUBLIC

Content hashes

Canonical text30235ca539fb1c23af71d9536488c350401103e51075da8fe9ed6f4e76b8a872
Markdown2a551d87cebde6e241a58e273f016ce42fd028687c5917025c9bf4e4663eccfd
PDF
Publication pagefca953f4cc8d35a9b74ac8db57986aa8becc4a7384bf5a5a2879b1a7e67f9e99
Manifest88967fbcc3970723cafb7ac081f8b130dc72def259470c782e78426e126be6df

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
Signature2Qv1wjXQ1p/TsUgGIdNmUeuWoQu9LE9wM3QyZzrVhydlxOD9W1bFl+82dNYyKTjb5Hj5fsd+JyqaYnCDJPPPDg==
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

2026-09-17T11:14:21.710112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042628
observed fca953f4cc8d35a9b74ac8db57986aa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:21.691626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042628/manifest.json
observed 88967fbcc3970723cafb7ac081f8b130...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:21.673900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042628/publication.md
observed 2a551d87cebde6e241a58e273f016ce4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:21.656117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042628/publication.txt
observed 30235ca539fb1c23af71d9536488c350...
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.