OpenTechnical

OT-2026-000022426

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, sustained blow-off before 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-2026-000022426) never changes.

Identity and time

Publication numberOT-2026-000022426 · never reused
Internal UUID01a0ae6f-f4fd-7735-9894-fd26270c048d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022426
StatusPUBLIC

Content hashes

Canonical text1c9841c175c6e52571e1f4a188c27cadcf2185c1756923bd3c2d8e79f14058c9
Markdowncd7ba21d5357ab5485738b1b027a5ec8f078b72a9f484760347076e7494052e7
PDF
Publication paged247eacff73a15c30199750c00f2151701074c30991def15bd4a86216c27518d
Manifest4ad9217d3ac0c97c877954e93f0cae53bc4ff36f3b49324eb853d4019745db90

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
Signature773lLufj5pPpZ1kDM4KBqXE318LNwpSqNFc6HewrZyOUXgpzG0S2/q7hjCVTVfc7y8yPCKOsrBQU4yZN0UnLCQ==
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

2026-09-17T11:53:48.994024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022426
observed d247eacff73a15c30199750c00f21517...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:48.975968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022426/manifest.json
observed 4ad9217d3ac0c97c877954e93f0cae53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:48.960138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022426/publication.md
observed cd7ba21d5357ab5485738b1b027a5ec8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:48.942967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022426/publication.txt
observed 1c9841c175c6e52571e1f4a188c27cad...
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.