OpenTechnical

OT-2026-000006190

Publication integrity record

Bellows cup vacuum gripper, ejector fed, pressure verified, sustained 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-2026-000006190) never changes.

Identity and time

Publication numberOT-2026-000006190 · never reused
Internal UUID01a0a952-65c3-764a-adb3-a2329b3cc8d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:25:44.645977Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006190
StatusPUBLIC

Content hashes

Canonical text5ed17b79a3eb5271eeaf7a21f82bf8ddd3395db0d0e0939dcef3ac88986c5245
Markdown02b3e85e9befb326c1c9207700e94818c437b6a44a59eb9522c3f4d3f96b6668
PDF
Publication pagec4248e8174356fb67dd22d800244c2849d910c48e82f8ca1803d0252f0cd1320
Manifest7c06f6ad1b9b69a88ab55188f090c4f97717f0ddf4445917113dc5b5d809b264

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
Signature8ceYsA1fFk1OmVXn6WyfZ5IxqgqCd3AK5sikH67eW9JBBAYJ979QQtGxIlaDXhSZh9YnPMD5sdTHysASz5uuDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:16.997700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006190
observed c4248e8174356fb67dd22d800244c284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:16.980963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006190/manifest.json
observed 7c06f6ad1b9b69a88ab55188f090c4f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:16.967726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006190/publication.md
observed 02b3e85e9befb326c1c9207700e94818...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:16.954722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006190/publication.txt
observed 5ed17b79a3eb5271eeaf7a21f82bf8dd...
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.