OpenTechnical

OT-2026-000042368

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000042368) never changes.

Identity and time

Publication numberOT-2026-000042368 · never reused
Internal UUID01a0ae7a-5d74-70bb-bcee-97c8d91d6839 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042368
StatusPUBLIC

Content hashes

Canonical texte3336efe23b6acf4ee67afe97b7dc3d824b0ae00da53e5c55ad5e7ff1b9ba319
Markdown45c7b9133e26ee697f16605e0afb3f5ea54b9c02ee0ec2883f3555839a7db4fe
PDF
Publication page5a4e56daf542d7b7b6a43055db3f1786b74a4ab19f1dcc492db2ba30004e4e2b
Manifestf73af530fb7bbaf674cf7ec80aaa94e949adfe30dab3fc0c68f0dc454332c23a

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
SignaturerNPi+upqMLNkpJQk8Jar2trk11aZAnHJUXjeKYcgMj3mcX4nyTrGZNkZVsJ2nW7GpntcXi9V8ecvrHy+3BdXCA==
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

2026-09-17T11:16:09.366889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042368
observed 5a4e56daf542d7b7b6a43055db3f1786...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:09.349495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042368/manifest.json
observed f73af530fb7bbaf674cf7ec80aaa94e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:09.329473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042368/publication.md
observed 45c7b9133e26ee697f16605e0afb3f5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:09.310169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042368/publication.txt
observed e3336efe23b6acf4ee67afe97b7dc3d8...
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.