OpenTechnical

OT-2026-000012530

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, 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-2026-000012530) never changes.

Identity and time

Publication numberOT-2026-000012530 · never reused
Internal UUID01a0ae6d-39f7-7b86-a1eb-7a5b210a5010 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012530
StatusPUBLIC

Content hashes

Canonical textaca22edbe83839251d0e77f60b9db7aff45c8343a307359eb1ed7e8ea0b2a46e
Markdownd28c26ffe6e5a86d7db688a0a9b4c11d962e77c013d7945203f2b5337eba55f5
PDF
Publication pagebefa59e5a16feea20ab47df909f8f33362b164100bf55ac340cc1e8714c0452e
Manifest2c2a778005ff0645ad0e7fb79e2fab8c3d769b354e58d0fad1153795eb4efd7c

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
SignaturefYX+SwUeKYq3nxMS07iprXtlcZoG7Sj/Vaz1WVXc6QSvSENh7rgH+MtFiFYcWc9EQRwCApOr+i+zbSuopDz5CQ==
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

2026-09-17T12:12:03.312003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012530
observed befa59e5a16feea20ab47df909f8f333...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:03.294296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012530/manifest.json
observed 2c2a778005ff0645ad0e7fb79e2fab8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:03.274322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012530/publication.md
observed d28c26ffe6e5a86d7db688a0a9b4c11d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:03.255181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012530/publication.txt
observed aca22edbe83839251d0e77f60b9db7af...
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.