OpenTechnical

OT-2026-000006546

Publication integrity record

Bellows cup vacuum gripper, common isolation valve, ejector fed, vented before set down, plastic cups

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-2026-000006546) never changes.

Identity and time

Publication numberOT-2026-000006546 · never reused
Internal UUID01a0a95e-f886-748d-bb09-efafd0b044cb · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:39:28.649507Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006546
StatusPUBLIC

Content hashes

Canonical text5ba30423c032cfb12fc4a7b8c19950cddb53468ea76bb7f54483b460f74bd61b
Markdown41ee7634399490af6eb49f7cd196a54fa298b94200cebfbf61460296237318ab
PDF
Publication pagee8068b90b7e1737ad0e4f937111e83a1fc9bb9aa7fb69e3d081e940465721940
Manifest20eda21e5da3f23b0740af2d5848b3570f47797bc9ab5f9f7aedaaa4c7c897a1

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
SignatureFYHmYiabL4IZ6QZzlgG/bAnQy2xlx0kS1dvzl9Fl5ryHOLR+UXaa67ImCf18rzx2K5cEDL8MWRE/VKGPa7dgDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:04.668855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006546
observed e8068b90b7e1737ad0e4f937111e83a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:04.652981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006546/manifest.json
observed 20eda21e5da3f23b0740af2d5848b357...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:04.638541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006546/publication.md
observed 41ee7634399490af6eb49f7cd196a54f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:04.624050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006546/publication.txt
observed 5ba30423c032cfb12fc4a7b8c19950cd...
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.