OpenTechnical

OT-2026-000036449

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum 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-2026-000036449) never changes.

Identity and time

Publication numberOT-2026-000036449 · never reused
Internal UUID01a0ae77-01d1-7805-8ac6-3a11a8cc965d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036449
StatusPUBLIC

Content hashes

Canonical text7866a78980f93a8d46a497aaf6f19e6ec0e80146a8e63b958c43e2b9438166ea
Markdown7247b1336d167d26149e259293f04e8b57272c1c86e392a7354d64888142f7e1
PDF
Publication page6bea368f0761e7adadf1b2726bcde518cfbb983fa2eaef76aefbcef97c97b411
Manifest7bb3be2911577cd34907fe2ba6af6242b1908ff75e99914e1f8aacd91f7d9ea8

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
Signaturea03EmMI1bmTJvkQchMwyiEQjCHQE0g7h26SCl6KW0rjK4KjB+pkoxvXld8ueQ6tjxz78PW0qLPy8vCS3lnr6Dg==
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

2026-09-17T11:26:50.919782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036449
observed 6bea368f0761e7adadf1b2726bcde518...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:50.902266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036449/manifest.json
observed 7bb3be2911577cd34907fe2ba6af6242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:50.885867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036449/publication.md
observed 7247b1336d167d26149e259293f04e8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:50.868018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036449/publication.txt
observed 7866a78980f93a8d46a497aaf6f19e6e...
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.