OpenTechnical

OT-2026-000025601

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000025601) never changes.

Identity and time

Publication numberOT-2026-000025601 · never reused
Internal UUID01a0ae71-5fa9-7df0-8d1b-f44f1d66cc2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025601
StatusPUBLIC

Content hashes

Canonical text66ca81f1d950685086f470fd68b23e88abb6cfde58dcf638903bb49f2d9e6f13
Markdown1764a4bdf573fa6550545d296c2caf49f6768727e98e17bccdc4ec3c5e47f1b7
PDF
Publication page9445c6c05e2ade7a7b51009a2ee8dd01d076d44d3f7cad7b1debf3e01aaf9206
Manifest402149ac58d91dc3867f46f1ba00fbb47a540da480dc2dfb062ce873f66a4c30

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
SignatureIKKne5nOZWj3fBna+pAgry8Ouc4VwZezxixDdf4hwMkmiwuEbnB1D0a2tg+w4gd+dNAe3bgFEazO7sRGBrEiBw==
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

2026-09-17T11:47:46.256719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025601
observed 9445c6c05e2ade7a7b51009a2ee8dd01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:46.236298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025601/manifest.json
observed 402149ac58d91dc3867f46f1ba00fbb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:46.216814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025601/publication.md
observed 1764a4bdf573fa6550545d296c2caf49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:46.195809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025601/publication.txt
observed 66ca81f1d950685086f470fd68b23e88...
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.