OpenTechnical

OT-2026-000034523

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, 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-2026-000034523) never changes.

Identity and time

Publication numberOT-2026-000034523 · never reused
Internal UUID01a0ae76-1ed0-728e-bb3c-160f062f31de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034523
StatusPUBLIC

Content hashes

Canonical text07074ea811e52e112c2307337bb8e7cabdb60e4af465c53f4df0b81c858dd3cc
Markdowncab1ceced5eaa794dee6ed80f554df7d37bafaaf4dfbb2cf60104471c4f8f889
PDF
Publication pagef348078e3c82c0f279c96a6979d886121e6173bf5652521fa925a02cfe24397a
Manifesta89baed948015e3134b24fb5f8d86d2de2ba71d6ce66f02b677d2d994d5c45ea

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
Signature+lQ5tza1T1uQdfnR+9gI/QVNk1EZv6R8u3mQaMzjVSYBFWCJd1Q9COOM2ZWy+/SPW+XStzQi9hZSgWBt3M1eBg==
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

2026-09-17T11:28:52.593816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034523
observed f348078e3c82c0f279c96a6979d88612...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:52.577385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034523/manifest.json
observed a89baed948015e3134b24fb5f8d86d2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:52.561866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034523/publication.md
observed cab1ceced5eaa794dee6ed80f554df7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:52.545891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034523/publication.txt
observed 07074ea811e52e112c2307337bb8e7ca...
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.