OpenTechnical

OT-2026-000039947

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000039947) never changes.

Identity and time

Publication numberOT-2026-000039947 · never reused
Internal UUID01a0ae78-d8d7-7033-985d-d3634b1c698f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039947
StatusPUBLIC

Content hashes

Canonical text2cc4d80779053455af665ea748d49c3aee436291f280d9ef4513a8491e467fce
Markdown8fef5f5e0f258fc90ecb1c7ed72848b99b6138c1710144ee5e92e1f16d4f0ca0
PDF
Publication page2d9cf932a8ab8bedbda1922c84137c3418be1a2e1535bbc6880b10f91a35a6c7
Manifest628be6e1c3f3df50b687ef975896f88ce337c319383bb78295cba4c3cd35b21f

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
SignatureqhoCpXeBZu3LA3q3U0iLrNv+zbYyhR4Ry6XM4tJnOhsapBvxnSSkMszp82ALEB2Sz6zmQUQHq0sIvuJs+SygCQ==
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

2026-09-17T11:20:15.094946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039947
observed 2d9cf932a8ab8bedbda1922c84137c34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:15.076677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039947/manifest.json
observed 628be6e1c3f3df50b687ef975896f88c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:15.058086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039947/publication.md
observed 8fef5f5e0f258fc90ecb1c7ed72848b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:15.038712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039947/publication.txt
observed 2cc4d80779053455af665ea748d49c3a...
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.