OpenTechnical

OT-2026-000015417

Publication integrity record

Three cup vacuum gripper, three outlet manifold, 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-2026-000015417) never changes.

Identity and time

Publication numberOT-2026-000015417 · never reused
Internal UUID01a0ae6d-ef49-7c52-9527-0a5e29f864d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015417
StatusPUBLIC

Content hashes

Canonical textd5dbbc1e6b28169d30effbc48c02ef9682141b1b33ec85c486e80a2939b463a6
Markdown34a7d4e9902f0bd3ed9603bd2fcd7192a359914e8ba062eb044f94d6aaead7bf
PDF
Publication page1244d5f3d3916b22070bf9146fceb41c1fb6dc87b6714b5878a555485b0488cd
Manifest3fe9499a0658de5b919f54bff35464d1ceac9f1c6e140f9a7955df699a3616be

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
SignatureoWWAkyPLrt+pWtrJ6YWTGHg5cQR6bUGpd+69ObF4Q0dxWYEqhPFAbT+mH3pwdy4ayTgp7JyLFDQ1iKtFjob7Bg==
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

2026-09-17T12:06:08.907722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015417
observed 1244d5f3d3916b22070bf9146fceb41c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:08.888264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015417/manifest.json
observed 3fe9499a0658de5b919f54bff35464d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:08.867144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015417/publication.md
observed 34a7d4e9902f0bd3ed9603bd2fcd7192...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:08.845185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015417/publication.txt
observed d5dbbc1e6b28169d30effbc48c02ef96...
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.