OpenTechnical

OT-2026-000033463

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, 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-2026-000033463) never changes.

Identity and time

Publication numberOT-2026-000033463 · never reused
Internal UUID01a0ae75-a38d-7b6c-af80-2f3409a20cf0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033463
StatusPUBLIC

Content hashes

Canonical text048cb66e9a01253667a70623a2a6d9ab079006106b8f1b69372c1094ccdb1bbe
Markdown4a9f25282a7f45d42096d05ea9593f9e3dff4e7163a035b9e0c3199fa9919c00
PDF
Publication page92679275549b0bfb96700a0e55455eb66fc0cbb1b084b5f75502e453db3c2144
Manifestbfddfa2cc3de20c411464cf54a19d6c11ac6e5784339381c5f43f02275f3e96f

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
SignatureOuZ/krmXAaIPAZSaekBpHAYvYhm+fVv+oHfVJhXIhv83fzwjDdgFdwpnZmKTUMgVyY+5OYLAAS9JLQDNfQsSBA==
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

2026-09-17T11:31:18.160717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033463
observed 92679275549b0bfb96700a0e55455eb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:18.142135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033463/manifest.json
observed bfddfa2cc3de20c411464cf54a19d6c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:18.122592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033463/publication.md
observed 4a9f25282a7f45d42096d05ea9593f9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:18.103317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033463/publication.txt
observed 048cb66e9a01253667a70623a2a6d9ab...
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.