OpenTechnical

OT-2026-000044479

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, manifold 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-2026-000044479) never changes.

Identity and time

Publication numberOT-2026-000044479 · never reused
Internal UUID01a0ae7c-39d8-7f8a-99b1-31fc91296b1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044479
StatusPUBLIC

Content hashes

Canonical textc38f084a612bfcc3b8ce83e66442e040ba35f4b76bb8087bd57d256e2f2cba4f
Markdown75bafd78675bbedfc647ed30375af7a5624debaf49734f841e93d731dd86fcaf
PDF
Publication page421facf2d3e096157ee6889031d405a6e16708a43207a1ef14c0470a17f54d0f
Manifest16b67ee50da55b884219622d0936b1eff37a4948bcd708e596ad3d9e76b20d3a

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
SignaturelJeKhs0j7Akja2OnadfeyfXVFdBSDmxO+hBeS4sfHI1E1LGkvcj8nHJfszpHWodQbNA4ko/YYmrV1++Sq/kDCg==
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

2026-09-17T08:30:54.733704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044479
observed 421facf2d3e096157ee6889031d405a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:54.715787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044479/manifest.json
observed 16b67ee50da55b884219622d0936b1ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:54.572126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044479/publication.md
observed 75bafd78675bbedfc647ed30375af7a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:54.555378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044479/publication.txt
observed c38f084a612bfcc3b8ce83e66442e040...
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.