OpenTechnical

OT-2026-000032223

Publication integrity record

Four 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-2026-000032223) never changes.

Identity and time

Publication numberOT-2026-000032223 · never reused
Internal UUID01a0ae74-f7a7-797b-a882-763800a42b8b · 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-2026-000032223
StatusPUBLIC

Content hashes

Canonical text0028574528276a1a44db439916b51d80eff91303e7b95d3946445a0491580dc4
Markdownccd93e12e19fe22835c5f6b9df017e3f229ebcdcce4e18634188446ee2012e74
PDF
Publication pagec5b2741557bd19e5fb9c0f430118f0bb3552ab5cee920fa34adcffaa01af9899
Manifest6d607248c163c9a2f5037ca26b58b2bfd46c608a6902bff6577999372a21f7ae

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
SignatureyqTrgrZnmmlzv5lvTaMmZjSkdHr6oouZvO53TNDXaaZNKMuWo3kTUv6zXUkewn0W619y7ul9vDdkjrU+cXkgCQ==
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

2026-09-17T11:34:34.437125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032223
observed c5b2741557bd19e5fb9c0f430118f0bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:34.419664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032223/manifest.json
observed 6d607248c163c9a2f5037ca26b58b2bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:34.402605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032223/publication.md
observed ccd93e12e19fe22835c5f6b9df017e3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:34.383837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032223/publication.txt
observed 0028574528276a1a44db439916b51d80...
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.