OpenTechnical

OT-2026-000029568

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000029568) never changes.

Identity and time

Publication numberOT-2026-000029568 · never reused
Internal UUID01a0ae73-5e22-7509-95c9-6dc2da373ee8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029568
StatusPUBLIC

Content hashes

Canonical text14d597176b991ab46b034c672be0d47686fdd6d0aed437c9db2253a0a6bc80a8
Markdown0a62dba2057d0ac123f6faeaaccd8fc0d906250b1382378a1cfe3e295a91e700
PDF
Publication page7e08a25ce729ba9c4dc3491b8f302f247cc9d21b1376681d21f3ae8c17f7a3cf
Manifest02f1bfe9b96b5f7e0539c6d8d1498310421a2a9ac8e063e5b035228ae1c4fffa

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
SignatureVUlRsisOyYry1Rq8Ts4yENh1+ePT5+Y4DgsQejrJhbdNoMcUbU9BBQpWBLx/Y3xObObyOVmdniFKbg+ajU3sAg==
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

2026-09-17T11:39:15.314618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029568
observed 7e08a25ce729ba9c4dc3491b8f302f24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:15.295419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029568/manifest.json
observed 02f1bfe9b96b5f7e0539c6d8d1498310...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:15.276377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029568/publication.md
observed 0a62dba2057d0ac123f6faeaaccd8fc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:15.236954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029568/publication.txt
observed 14d597176b991ab46b034c672be0d476...
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.