OpenTechnical

OT-2026-000029427

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000029427) never changes.

Identity and time

Publication numberOT-2026-000029427 · never reused
Internal UUID01a0ae73-5e20-7b9f-8344-da87e6a174be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029427
StatusPUBLIC

Content hashes

Canonical text0f9b1e16dfa5c8b87e286258bd755685be6c9330c0549d2cc9d137495e59a7f3
Markdown45e031cf744e3ef44d2dbdd200ced272283389dbc01120fac76d70ac6084f440
PDF
Publication page176381ec2cf4e368aff1fd3321374ec03d9dcfe418fedd15909b049f2cf944f5
Manifest3e42c98a74b8fbc825246147074ca248bc8f8048de7878d890bfb305b8f076cf

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
SignatureLcv8UVowkSFuVqDkon/BGGnFfFDm8nd4itqchh/GGyIyjJd3IPhLbGWxlq5SbNViO6NNv7v6pIazYDq4LDu/Cg==
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

2026-09-17T11:39:02.220242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029427
observed 176381ec2cf4e368aff1fd3321374ec0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:02.202218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029427/manifest.json
observed 3e42c98a74b8fbc825246147074ca248...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:02.180954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029427/publication.md
observed 45e031cf744e3ef44d2dbdd200ced272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:02.163104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029427/publication.txt
observed 0f9b1e16dfa5c8b87e286258bd755685...
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.