OpenTechnical

OT-2026-000030793

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000030793) never changes.

Identity and time

Publication numberOT-2026-000030793 · never reused
Internal UUID01a0ae74-3fb4-71ad-ac87-30805658dbb0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030793
StatusPUBLIC

Content hashes

Canonical textef7971141bbaad401590829056f2487f88c045afe1f0372c130d6e3c055fc9d3
Markdowna9c49a872e3191275e051695c9e8a175777654ae374881e029d97ffcc07808d1
PDF
Publication page9a0f55d0163edd67057768afc2ec9f378599689a7a4d2896511a371e4c0f25c3
Manifestc30a3b84f59c02e8f64707440917bec9b90bf75cf9818ab8a2c6d2364670cc33

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
Signature7e2axFflKGHluUlbtY1VVaTmePreAcVwcu+/95c7zP5UZqQOhQfhOoiDALEJ8ZDfMusGJYoucDNqfog41ANiAg==
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

2026-09-17T11:36:45.506369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030793
observed 9a0f55d0163edd67057768afc2ec9f37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:45.489954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030793/manifest.json
observed c30a3b84f59c02e8f64707440917bec9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:45.471235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030793/publication.md
observed a9c49a872e3191275e051695c9e8a175...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:45.453733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030793/publication.txt
observed ef7971141bbaad401590829056f2487f...
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.