OpenTechnical

OT-2026-000018932

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold 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-2026-000018932) never changes.

Identity and time

Publication numberOT-2026-000018932 · never reused
Internal UUID01a0ae6e-d522-7df6-9a92-62cf6e75079b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018932
StatusPUBLIC

Content hashes

Canonical text028c83aeba6c557c36cace3f45293254530e1ba636ce756f2e2a3b9c5b685c8d
Markdownc222aba7a253fc8ac9fefa00bf0a844a18077c787f39a8bc8372eb8ba74c4af1
PDF
Publication pagebdef6abb299673746335fca1fc4ea01dcf818122d32e32f5ca39046fe19706fd
Manifest1d3bb5607d1c3af7dfc50adc685c076b587c92d68694c2d9c48bd518ca005960

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
SignaturePxps0BTfOfKBcQZw9To7x7AKFooCbKN1Ui7p7aMJEbmQGM/0YBSJNiBunzWNaZ9/0utQIO0EuVmHqG9Qe7M1CQ==
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

2026-09-17T11:59:35.695835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018932
observed bdef6abb299673746335fca1fc4ea01d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:35.677849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018932/manifest.json
observed 1d3bb5607d1c3af7dfc50adc685c076b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:35.661170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018932/publication.md
observed c222aba7a253fc8ac9fefa00bf0a844a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:35.642430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018932/publication.txt
observed 028c83aeba6c557c36cace3f45293254...
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.