OpenTechnical

OT-2026-000042071

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single 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-2026-000042071) never changes.

Identity and time

Publication numberOT-2026-000042071 · never reused
Internal UUID01a0ae7a-5d70-7793-8d28-3820b3c50d25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042071
StatusPUBLIC

Content hashes

Canonical textb6e28f9959f14789e55119c3df0fd0f11dff88ac7b18d8fac287034eea7bf842
Markdowna5ae535dd1da18f820084c0c0a17b18cd1125363fd5dba395e7c6c936e1a8598
PDF
Publication page8e61156d56ef5b4ece1d92a86eb9f58c1196948af4ca7fc9a359bd552a9aa914
Manifestc6c5d872a3fdc5e967573507a567e67359a72c8d80922e64ab00ccc198df8261

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
Signaturew4ggnpXeeoN+c17peMrX/TQhUXFZ4VwLh4XPbcydMC7TGeLUCJ1+Xq7uyRBRxzN3PIKBE7jrjowJHQwGAEwqDQ==
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

2026-09-17T11:15:35.701896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042071
observed 8e61156d56ef5b4ece1d92a86eb9f58c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:35.683296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042071/manifest.json
observed c6c5d872a3fdc5e967573507a567e673...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:35.665241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042071/publication.md
observed a5ae535dd1da18f820084c0c0a17b18c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:35.646668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042071/publication.txt
observed b6e28f9959f14789e55119c3df0fd0f1...
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.