OpenTechnical

OT-2026-000038241

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000038241) never changes.

Identity and time

Publication numberOT-2026-000038241 · never reused
Internal UUID01a0ae78-2d51-7249-8115-53b3ad2681dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038241
StatusPUBLIC

Content hashes

Canonical text949f92de49252f30b6e157ad872ad5b92f52a506fba34329ba51fdc86e8b38a2
Markdown063510b711d3ed6f370e66511bf0c08df1ea0e390c8a22ef4de2546c7c319d2d
PDF
Publication page8eec9f72c988fa4b74cf6a054c55031027a366c48da7cadb4baf8cc4bb380654
Manifestd95ef68e76b69cd90aa035eab70becee88a60cbb1216552b9d1c9ba5ee779edc

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
SignaturexiUiGYUMCmgLzAmZ4+t83KNWAZjzDAqxLLzuIEryxGl0GHrYZ4+dTDGRocP+mA+baZwSFRFwGRdHeZBRh3PqCw==
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

2026-09-17T11:22:23.361028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038241
observed 8eec9f72c988fa4b74cf6a054c550310...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:23.343669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038241/manifest.json
observed d95ef68e76b69cd90aa035eab70becee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:23.325024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038241/publication.md
observed 063510b711d3ed6f370e66511bf0c08d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:23.307918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038241/publication.txt
observed 949f92de49252f30b6e157ad872ad5b9...
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.