OpenTechnical

OT-2026-000040912

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000040912) never changes.

Identity and time

Publication numberOT-2026-000040912 · never reused
Internal UUID01a0ae79-6d10-737f-afb8-01e3d9c0f135 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040912
StatusPUBLIC

Content hashes

Canonical text408f70d3d7ed79c6e148a9d0515b6f8ef71c75fc4242ec09a95713741d074561
Markdown7cb89d42f55a4da650ae3c67a9e04a609df6901c4c153d3d658f35ceff4efa3f
PDF
Publication page55dafec03c41a8e6f56959dc79fa2641240ee4703045e3e9dc2a309b7bd09e25
Manifest4355446a58468606f820268f5c6772d1f39f8d6c78968a301024c4bc9b36e86d

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
Signature3UJorfYICidXoVaWmkElOXJ/Whc3lhf4agsisrUJNjDyyySGdbGyR7ek5w5eT7i/RMvVYxTrlKDHjKYStg9RCg==
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

2026-09-17T11:20:17.980185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040912
observed 55dafec03c41a8e6f56959dc79fa2641...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:17.873921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040912/manifest.json
observed 4355446a58468606f820268f5c6772d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:17.851020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040912/publication.md
observed 7cb89d42f55a4da650ae3c67a9e04a60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:17.826885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040912/publication.txt
observed 408f70d3d7ed79c6e148a9d0515b6f8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:42.984115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040912
observed 55dafec03c41a8e6f56959dc79fa2641...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:42.965391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040912/manifest.json
observed 4355446a58468606f820268f5c6772d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:42.948085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040912/publication.md
observed 7cb89d42f55a4da650ae3c67a9e04a60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:42.930421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040912/publication.txt
observed 408f70d3d7ed79c6e148a9d0515b6f8e...
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.