OpenTechnical

OT-2026-000047421

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000047421) never changes.

Identity and time

Publication numberOT-2026-000047421 · never reused
Internal UUID01a0ae7f-3e58-7d3a-bd8c-983c88735998 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047421
StatusPUBLIC

Content hashes

Canonical text84d72ee9bd2ca969801e07b6486ce9a2303a166ab0277e275844c887218ec5b2
Markdown3229e2fc6531062766e32dfa5b68608f8c245c9d2458ae458a67e195fc19d45b
PDF
Publication page96b7a95cd8aa994cb27e4d0792d5e95138c64689bcd3a1bea6432e3667233437
Manifest19f3c771288f96b3a0722e5160415a5e993cc787781f56a302f51214abd67b0d

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
Signature7wkd9frquZytrQWidt5irMkNMvWGOC2EOjTePUCMwudv8KFpVfMIeNea5N+MQCMPgIlqjWaXeKDwpWuHoNbGDQ==
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

2026-09-17T11:06:26.426665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047421
observed 96b7a95cd8aa994cb27e4d0792d5e951...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:26.408282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047421/manifest.json
observed 19f3c771288f96b3a0722e5160415a5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:26.390501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047421/publication.md
observed 3229e2fc6531062766e32dfa5b68608f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:26.372627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047421/publication.txt
observed 84d72ee9bd2ca969801e07b6486ce9a2...
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.