OpenTechnical

OT-2026-000018103

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000018103) never changes.

Identity and time

Publication numberOT-2026-000018103 · never reused
Internal UUID01a0ae6e-96fd-7d14-9247-7a46535e0510 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018103
StatusPUBLIC

Content hashes

Canonical text2d73af961e9542843e5c218ef9d43fc79212c5866945091ed1a1d0d428a1037b
Markdown0afdce4b46457a9ba6ea0d1157e0c2f68dbddcaad9c4e82942114de40458496f
PDF
Publication pageecbdf1b732bb8b5ebba605646713a5669ca47cf5ff5b9765ba07037d51815b7b
Manifestbfce4ba2c3c9f52b048472a4f4f2cd153e0c616e885b517b2f67939ca423a5cd

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
Signature9YZ6Hrv34u4xALfVSwC9/mZOEMlE9GYVBytr+Gj59jpaHcxBUtmM6JzGXXAZqeNGY/UeC+xl6UYFm0Ok+6oRCA==
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

2026-09-17T12:02:08.909543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018103
observed ecbdf1b732bb8b5ebba605646713a566...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:08.892897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018103/manifest.json
observed bfce4ba2c3c9f52b048472a4f4f2cd15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:08.872658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018103/publication.md
observed 0afdce4b46457a9ba6ea0d1157e0c2f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:08.854722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018103/publication.txt
observed 2d73af961e9542843e5c218ef9d43fc7...
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.