OpenTechnical

OT-2026-000037449

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000037449) never changes.

Identity and time

Publication numberOT-2026-000037449 · never reused
Internal UUID01a0ae77-b8ce-76e4-90c3-5c397c13c778 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037449
StatusPUBLIC

Content hashes

Canonical textc5af650c96f831c3be41229a105131da7a9cbbb92e47a1d3d64208051b779ecd
Markdowne75ff73565d2320740962a9ae17f0ece7bc49db9e0e7650e4711d58e9ba3da16
PDF
Publication pagef35d29cf33c4abdcc46272b32274ff23372e3da0529908eec3275610ce2b859d
Manifestb75b1c099992fae2c92734fa40b0c74b97bdfed24bf3259bda38d11ea1097a06

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
Signature+PIBDKDYOu2FMVCuiVEdTznr3+NvDsNwp0+J8FM/Heinw0HdKUo4C9xtsRx4lS1xaxQDTeEmu4DDKYP9TaKPCQ==
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

2026-09-17T11:23:53.016931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037449
observed f35d29cf33c4abdcc46272b32274ff23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:52.999554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037449/manifest.json
observed b75b1c099992fae2c92734fa40b0c74b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:52.982224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037449/publication.md
observed e75ff73565d2320740962a9ae17f0ece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:52.964479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037449/publication.txt
observed c5af650c96f831c3be41229a105131da...
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.