OpenTechnical

OT-2026-000029953

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000029953) never changes.

Identity and time

Publication numberOT-2026-000029953 · never reused
Internal UUID01a0ae73-ac48-7c13-b572-d98eb4790314 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029953
StatusPUBLIC

Content hashes

Canonical texta184bf3dafb404b4c0627ac9f17e26be55cab63bc1657ba6610a4e18486bf9c1
Markdownb628bc561b712db0f30ece78face96dcb02e03b76e99a56d7b3cec24784bba9b
PDF
Publication page5ccfada604c5e6a79be676635e9950c6b7211afaae9eb8b8cae49895bc8a3cb9
Manifest3e11a1638ab7da226b6194ea47038677ef6ed9a17255cc152ffc2ccf3801073b

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
SignatureFLOli/hNEnmLxSiXCM9GVMUhax1Tq6GcnYIJ3PpUWMsCpjpzWCjWUOtwMqQXX2Wk5wjpkFX7Yq2ET2E/Zh2sAQ==
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

2026-09-17T11:38:40.043176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029953
observed 5ccfada604c5e6a79be676635e9950c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:40.023914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029953/manifest.json
observed 3e11a1638ab7da226b6194ea47038677...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:40.005225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029953/publication.md
observed b628bc561b712db0f30ece78face96dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:39.986958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029953/publication.txt
observed a184bf3dafb404b4c0627ac9f17e26be...
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.