OpenTechnical

OT-2026-000023922

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000023922) never changes.

Identity and time

Publication numberOT-2026-000023922 · never reused
Internal UUID01a0ae70-aed6-7341-8f7e-d7158f962b8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023922
StatusPUBLIC

Content hashes

Canonical textd1264ed8a16bbeea95be73b99261c6818db267640508231471d983b6fc314f78
Markdown706990f5cb1afb08bdf41d65ad274ec1e628ba60cb8e6f231b6c993890742e4b
PDF
Publication page3c81676fd451e43fd9b48375ad36619a8249bf6a2163ab1508b72fd7ec432ff5
Manifest778bd9e5ec99dccd991e3b450ab8c27500621a7fc3033526a8707467ea527bef

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
SignatureOZF1JeUTLeQRtQEiVyzlHPQHtKylNmLOnLWAmzh2M6KcjRAbt0igCUJobkmCMwJICpUvryt11UnnUerBPRgYAg==
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

2026-09-17T11:50:32.697508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023922
observed 3c81676fd451e43fd9b48375ad36619a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:32.678094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023922/manifest.json
observed 778bd9e5ec99dccd991e3b450ab8c275...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:32.656871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023922/publication.md
observed 706990f5cb1afb08bdf41d65ad274ec1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:32.634015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023922/publication.txt
observed d1264ed8a16bbeea95be73b99261c681...
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.