OpenTechnical

OT-2026-000019722

Publication integrity record

Two pad foam vacuum gripper, two 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-2026-000019722) never changes.

Identity and time

Publication numberOT-2026-000019722 · never reused
Internal UUID01a0ae6f-1fb4-7347-960f-b39e2a17be39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019722
StatusPUBLIC

Content hashes

Canonical texte1ed1e2f350bd64229e9cfe9711e69d4ca4c9ab688f9a80c4ce7bd76dc1b9610
Markdown47e6ec8ce5efa5c6908e9e90ef540f39a9a2ef06ccc41cfa31575448573ec580
PDF
Publication page28aeda8bf6bf40df3bc87933eb6b900eda6d47d9e8a0f31c957c3a345e7047ab
Manifestc34100771caaa58b9435ae56b4dabe933bc2112b103a6c3ecdc4aa4911cf9047

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+Crr9b2XtnfnWO1j16U7IMm77+3cWgQK3v2oh1RF6QgSaglfLtp61dIVU5W5C2IrIheg0mr5oIKyzZyDw48DAg==
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

2026-09-17T11:57:48.585442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019722
observed 28aeda8bf6bf40df3bc87933eb6b900e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:48.564251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019722/manifest.json
observed c34100771caaa58b9435ae56b4dabe93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:48.548307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019722/publication.md
observed 47e6ec8ce5efa5c6908e9e90ef540f39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:48.530132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019722/publication.txt
observed e1ed1e2f350bd64229e9cfe9711e69d4...
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.