OpenTechnical

OT-2026-000034215

Publication integrity record

Foam pad vacuum gripper, three zone face, two 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-2026-000034215) never changes.

Identity and time

Publication numberOT-2026-000034215 · never reused
Internal UUID01a0ae75-df0d-7d16-ac88-3aeacb637612 · 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-2026-000034215
StatusPUBLIC

Content hashes

Canonical textd201e3cb7a638583064064026e45bef8222575b27de775bcc5dad87267281a85
Markdown55d5625daef366fc95053652e341ab95611a298d9106373a99e26618b35c547a
PDF
Publication page25563cd5643b008d6d0ea927e7d06e53776edace1361a8c83440ac2d46ceeda7
Manifest4ad8a69030eee5d26a83b6d03653895cc67ae143d49d7a455cd899583a9fede5

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
SignatureedubO1ooBpmijoQAoaPfYGWWWQfMNfcT/icSYA3QYFo9lYyWObZK3N+gyqeiFeoF6hHOFkfgGlHfL9W/B8DaCA==
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

2026-09-17T11:30:45.784065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034215
observed 25563cd5643b008d6d0ea927e7d06e53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.763488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034215/manifest.json
observed 4ad8a69030eee5d26a83b6d03653895c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.741891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034215/publication.md
observed 55d5625daef366fc95053652e341ab95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.722123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034215/publication.txt
observed d201e3cb7a638583064064026e45bef8...
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.