OpenTechnical

OT-2026-000030690

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000030690) never changes.

Identity and time

Publication numberOT-2026-000030690 · never reused
Internal UUID01a0ae74-3fb3-739e-bd8e-69155989c15b · 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-2026-000030690
StatusPUBLIC

Content hashes

Canonical text6a507a235e8248d853066202b98e31914492e15d85192d64b1757eb15b99b6af
Markdown5c2f26def18b2e509257141261e3d5316d3ce415a492b24f053614c6ab10841e
PDF
Publication page4266887ee4b7bff0b7b04bd962aa2edb101dc047f9e37a57e2065651f6694eca
Manifest9e26168872cc72740dd20a218e85855340ded4540f55d989bdae6a361a75470d

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
SignatureYH9pQ1yx+A0Dx4gShfkWMQcp5hUFBA2on6rh1VX1USnFm8jdW51MliGYeZZOgLDxEGtFuzfQTfHcX3TFBregBQ==
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

2026-09-17T11:36:35.317761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030690
observed 4266887ee4b7bff0b7b04bd962aa2edb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:35.300087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030690/manifest.json
observed 9e26168872cc72740dd20a218e858553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:35.282387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030690/publication.md
observed 5c2f26def18b2e509257141261e3d531...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:35.264381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030690/publication.txt
observed 6a507a235e8248d853066202b98e3191...
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.