OpenTechnical

OT-2026-000051443

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000051443) never changes.

Identity and time

Publication numberOT-2026-000051443 · never reused
Internal UUID01a0ae83-7c80-758a-8aca-875fe6d84da8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051443
StatusPUBLIC

Content hashes

Canonical text0ef5f8c6187f90097975784b53e89f357ba58bd36560b3d76bda10faed4ba1ab
Markdown6314927705fa5dd7e6c52cd3036e549c8cacb2977327fc37ff91cf347643aa45
PDF
Publication pageed939604f3566f300fcaae55fc6ba9102087fa3889f39472fc136ef07f365a9a
Manifest8ddf9cf4cf33b0b1574b06680942a9bd9e33ac6247bbff349b51c31bc8841936

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
Signaturel+28WOo+GI4Mon3w1Z4nBFeg2+qhC27u//wqHfQcDqYwp6C3GrwxyMIyvfEdLKwDz3hbdE+hoDoZgpfVgN4yDw==
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

2026-09-17T10:58:10.076681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051443
observed ed939604f3566f300fcaae55fc6ba910...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:10.059813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051443/manifest.json
observed 8ddf9cf4cf33b0b1574b06680942a9bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:10.040590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051443/publication.md
observed 6314927705fa5dd7e6c52cd3036e549c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:10.021144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051443/publication.txt
observed 0ef5f8c6187f90097975784b53e89f35...
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.