OpenTechnical

OT-2026-000010680

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, supply line pressure sensor, vented after set-down, on a tool changer

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-2026-000010680) never changes.

Identity and time

Publication numberOT-2026-000010680 · never reused
Internal UUID01a0ae6c-0ee8-7ae2-bf0b-7ca50252925e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010680
StatusPUBLIC

Content hashes

Canonical text682a169a37f62f1638aca5aa52eca8a89a43b0dfa636aea058d75da8af844c77
Markdown2e07266eeba01ce203b94314b0a100dcf4a730798663acce58173d5257dfb993
PDF
Publication pagee9cd80be1536cebfdf0f8ab3479e3038dce84ec447e68ba44eedada1f8d86528
Manifest3d950b6e54bc05c327731b2f385f91e3b14bbffccb55168299ecfb003926dbfc

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
SignatureJRey07nUwahb512ReWsCslK3X6Ls27nAf2+X2Mgfd7LnQQoF0stSnFz32XZbg0AchzgJxe4/u7G/nYl3+9jUDw==
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

2026-09-17T12:14:53.495253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010680
observed e9cd80be1536cebfdf0f8ab3479e3038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:53.474477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010680/manifest.json
observed 3d950b6e54bc05c327731b2f385f91e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:53.453943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010680/publication.md
observed 2e07266eeba01ce203b94314b0a100dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:53.435277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010680/publication.txt
observed 682a169a37f62f1638aca5aa52eca8a8...
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.