OpenTechnical

OT-2026-000018047

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three 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-2026-000018047) never changes.

Identity and time

Publication numberOT-2026-000018047 · never reused
Internal UUID01a0ae6e-96fd-7b56-b24d-2db18e285dfd · 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-2026-000018047
StatusPUBLIC

Content hashes

Canonical text5b7bea08a3c01734d142288f1bb4a736c9196544309af10beae29cdcf96dd2a0
Markdownafd855f7029837d0a22075b8a3768a3542865cd3972549041e8346febdc61cfd
PDF
Publication page0ba116f1dcbf67e4fb6fdf4bb278f18f42eb2654a697e5287e838ccd1e25e807
Manifest1542f96a73e86431565b7f8269a06d04a2eaf862353a4ff6123b56de3be5312f

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
SignatureDMN0Q7eMTM/Mugs6GyUBi8omSi7ms0QZBl4cyGfTR7oKLfULyitIxCdkH55U16a6xou7WxZMuEzsY3TUQXTMDw==
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

2026-09-17T12:02:04.936198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018047
observed 0ba116f1dcbf67e4fb6fdf4bb278f18f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:04.920089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018047/manifest.json
observed 1542f96a73e86431565b7f8269a06d04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:04.901434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018047/publication.md
observed afd855f7029837d0a22075b8a3768a35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:04.885621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018047/publication.txt
observed 5b7bea08a3c01734d142288f1bb4a736...
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.