OpenTechnical

OT-2026-000032163

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two 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-2026-000032163) never changes.

Identity and time

Publication numberOT-2026-000032163 · never reused
Internal UUID01a0ae74-f7a6-7824-a6eb-36c1edef1e24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032163
StatusPUBLIC

Content hashes

Canonical textfa6ab7bd040d1d6cdb623a3ffe971a1965e48429f5a5376ba7f4c090f5b03f22
Markdown3da1dd2b902180c7a6a6619e6d7e6308bc926572bffe49a3512c3ee328663096
PDF
Publication page53527e0c32ae56856a68b62c297a72ebedaffa3846111ee5e32c19e7e0af2b9b
Manifest56f7d3777a832218ae19345152a40dd95f6d70c7ac8647edb67d685892b2f314

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
SignatureXtlNArMWzXJIcVy6WAMmFoxy73+Of0CbzKrYE62Nm47qAcl43egRQuOJxw43orHAY9f89U4X5QWZxbhcO/LIDA==
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

2026-09-17T11:34:29.378490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032163
observed 53527e0c32ae56856a68b62c297a72eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:29.354936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032163/manifest.json
observed 56f7d3777a832218ae19345152a40dd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:29.336145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032163/publication.md
observed 3da1dd2b902180c7a6a6619e6d7e6308...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:29.319047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032163/publication.txt
observed fa6ab7bd040d1d6cdb623a3ffe971a19...
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.