OpenTechnical

OT-2026-000015836

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000015836) never changes.

Identity and time

Publication numberOT-2026-000015836 · never reused
Internal UUID01a0ae6e-0c4c-7ad9-9cdf-001fdc5941ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015836
StatusPUBLIC

Content hashes

Canonical text38deeb7c581e7eae3db1d4fdabd1e086b9ba578be53cc4a15cd9ccfb05cfefa2
Markdown43e82c8f7400405368c2caaee24c0b0040bbb110b816aa95f4ce02524df77ded
PDF
Publication pageebcc9e8779e0ea34f54d0846ecd63eb2d0441f688565df62944d3fb171613671
Manifestb8350e4ee23f945b7da7103d50d24ad7e105bcf55aa57d0a4f2e71e90102c5c6

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
SignatureUX5CX+ljHRsyC9Gitd1QVZigKN67JUmc2IrE8ONdWGhkIb8pjc+2Aao3VzBtaVscgZ6ZXbq0BXOMaHsqhUAWDg==
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

2026-09-17T12:05:09.422981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015836
observed ebcc9e8779e0ea34f54d0846ecd63eb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:09.404900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015836/manifest.json
observed b8350e4ee23f945b7da7103d50d24ad7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:09.386483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015836/publication.md
observed 43e82c8f7400405368c2caaee24c0b00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:09.367981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015836/publication.txt
observed 38deeb7c581e7eae3db1d4fdabd1e086...
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.