OpenTechnical

OT-2026-000070443

Publication integrity record

Foam pad vacuum gripper, four zone face, two 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-2026-000070443) never changes.

Identity and time

Publication numberOT-2026-000070443 · never reused
Internal UUID01a0ae91-545f-709c-9d9a-b827cb1e0fbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070443
StatusPUBLIC

Content hashes

Canonical text8cb6fe5e69528c2151d24d6480930eba2a2e0de1a9b677a3709aa5c20ce2f860
Markdown7c2ad8f80db944820956894048b47cd476c43d54eabc12ce356ed1e7bd06b163
PDF
Publication page173bebf8cb472dad5943de94d1b9b762ca0996c40f45b9b3486911f1103a7ab0
Manifest4132c404b64cbf3ff765da63211071d214b05b40d7d13430d8298103061bc492

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
SignatureEvfqbS50JdNX7dUE5IVJqYM2k3sCWGMTKAO6o7BQPxUEYyig7hYal92t4jWGsUw/bh0v7p/cYJd28yxbsmAnDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:15.899109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070443
observed 173bebf8cb472dad5943de94d1b9b762...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:15.879987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070443/manifest.json
observed 4132c404b64cbf3ff765da63211071d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:15.861792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070443/publication.md
observed 7c2ad8f80db944820956894048b47cd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:15.842561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070443/publication.txt
observed 8cb6fe5e69528c2151d24d6480930eba...
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.