OpenTechnical

OT-2026-000030755

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000030755) never changes.

Identity and time

Publication numberOT-2026-000030755 · never reused
Internal UUID01a0ae74-3fb4-789b-a41d-7f0531481526 · 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-2026-000030755
StatusPUBLIC

Content hashes

Canonical text638bf92210e08c28e4af692ab8177512d9b88bba3ecbf6ad68c2e30528f641cd
Markdowne48c625735f40c20d2ede219f3ce77d4872cc3ff56b1f7452bdaa5c4ae24e348
PDF
Publication pageb99988e87b230e392fd611a596bb3684bd9bb5a3c1db7e06b6496c74fe5d46e5
Manifest24cfb7e48aaece692f5d5b45a78fd19b84bb6db4f42ff2018f3134900868e9fb

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
Signature4HBxpUh4SbHHsMbKi2vE4YAKZrtcpdk64umsaXu9b/1AQQXokP9+IQBgXNnelZhVRYAWwCIiLKnFgOjnX6PpDw==
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

2026-09-17T11:36:42.237112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030755
observed b99988e87b230e392fd611a596bb3684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:42.216931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030755/manifest.json
observed 24cfb7e48aaece692f5d5b45a78fd19b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:42.199508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030755/publication.md
observed e48c625735f40c20d2ede219f3ce77d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:42.180403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030755/publication.txt
observed 638bf92210e08c28e4af692ab8177512...
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.