OpenTechnical

OT-2026-000030739

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum 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-2026-000030739) never changes.

Identity and time

Publication numberOT-2026-000030739 · never reused
Internal UUID01a0ae74-3fb4-724e-8ab6-337618fbcf56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030739
StatusPUBLIC

Content hashes

Canonical text8b8d42d4bd61d0c29a2138b8dd70e90b8a45419d0c8b801b8a9ac198f66a019e
Markdown2a7fd8bbd35794affde473c57d15c8862fcf42addb54e212682bb5e9ec775e56
PDF
Publication page6b0ce6537a9cb6f958ff57f08594803fe9ef7916101ceec2361ef7a94909e72e
Manifestd18cddfe526a34ddfd18b9f1ca70d12879a1cf11399576ce5f6fc3fd01c635c8

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
Signature2ABfT7R2FD5YFijZSQLpt7QVcUP+dAB5WkYb/9BwR08w0s2UIw6RI4N3g/dZuAu4fcv0WYjrAl8UPGPsJyvjCg==
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

2026-09-17T11:36:40.510692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030739
observed 6b0ce6537a9cb6f958ff57f08594803f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:40.487711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030739/manifest.json
observed d18cddfe526a34ddfd18b9f1ca70d128...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:40.460762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030739/publication.md
observed 2a7fd8bbd35794affde473c57d15c886...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:40.440843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030739/publication.txt
observed 8b8d42d4bd61d0c29a2138b8dd70e90b...
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.