OpenTechnical

OT-2026-000017141

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000017141) never changes.

Identity and time

Publication numberOT-2026-000017141 · never reused
Internal UUID01a0ae6e-76c7-7ab1-a5bf-91a137015c98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017141
StatusPUBLIC

Content hashes

Canonical text1fe7815a3c0725dd795b909c190e75ffda2282928ddd38abb41ba7c0e32cc434
Markdown71818dfd26510e4fa50164bc6852d4668dd6d9cfd606f44d32490e22de7491e5
PDF
Publication page84846f41692d21f8382473e2f0ad9a6d7bfb3e280c68ee7512d40bded406e9b1
Manifestd8046cb93d59b76a82a649a980a67fff902a17be21c6bce78a59a31be09fe19f

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
Signaturel9s31vyQT959gX0Q8tjloyodcaCTFMs8PaSkzsNP+KEd1HE0PUUwIS40NMCrZEKa3apl1HwOAIcPyy7laOsyAA==
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

2026-09-17T12:02:12.021273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017141
observed 84846f41692d21f8382473e2f0ad9a6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:12.003750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017141/manifest.json
observed d8046cb93d59b76a82a649a980a67fff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:11.985817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017141/publication.md
observed 71818dfd26510e4fa50164bc6852d466...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:11.968004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017141/publication.txt
observed 1fe7815a3c0725dd795b909c190e75ff...
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.