OpenTechnical

OT-2026-000048579

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000048579) never changes.

Identity and time

Publication numberOT-2026-000048579 · never reused
Internal UUID01a0ae80-4de7-714f-8022-fbf649e74a7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048579
StatusPUBLIC

Content hashes

Canonical textf5db15a1149e9e00bd2961d6baf9fc5ed740da6c22bcf01eb78d425885b71cc0
Markdown6abbf838e8d6d002f171bcd8cebd8c7beffb7c4af4943aec71ea89485bfed671
PDF
Publication pagecccd2853854a278103ae395e494cc52c3a8de4ff9aff18620a7cd6d794c45d35
Manifest1c257d26fe9d911253fb37c374302ff2dc889b6ad5f198c1d77266c4b4af56de

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
Signaturenk5Gbi/y5zqco4ZuipjG3yhpcBrO/xk1CXEBXzFWD/d3SDEOu9c2w8zTVX/Wackj8DKYr6wTSw1CplbOOvsYCg==
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

2026-09-17T11:05:23.100741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048579
observed cccd2853854a278103ae395e494cc52c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:23.080634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048579/manifest.json
observed 1c257d26fe9d911253fb37c374302ff2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:23.061946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048579/publication.md
observed 6abbf838e8d6d002f171bcd8cebd8c7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:23.044312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048579/publication.txt
observed f5db15a1149e9e00bd2961d6baf9fc5e...
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.