OpenTechnical

OT-2026-000034167

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, pulsed 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-2026-000034167) never changes.

Identity and time

Publication numberOT-2026-000034167 · never reused
Internal UUID01a0ae75-df0d-7512-aab9-9d3c001ca6b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034167
StatusPUBLIC

Content hashes

Canonical text87ddc75e42b7ca50cff888bd58673646e04fd4e1b463c4624dd3887582ac6e39
Markdown739049d2f42f9c0d0b6b384b1cee406e889a865a1d3133d611d8bb10f1a96c9c
PDF
Publication page450475ed88e482ecc03ad8bdfad87a2af044365a8e3882d4ea1e313e44407ff3
Manifeste517e4338efa09400605f7b6b71555088c081564f4764d1cb2e01b61b89a0dee

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
SignatureXJw8tNg2kvktFF4EERV++7nM7ALEOLE5UmeWsiz50PVXFFx2Cx68oVgDFNSwxTvTqoZcp9qYmt0uj+mCMMkxDA==
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

2026-09-17T11:30:34.461915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034167
observed 450475ed88e482ecc03ad8bdfad87a2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:34.439803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034167/manifest.json
observed e517e4338efa09400605f7b6b7155508...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:34.424023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034167/publication.md
observed 739049d2f42f9c0d0b6b384b1cee406e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:34.407972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034167/publication.txt
observed 87ddc75e42b7ca50cff888bd58673646...
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.