OpenTechnical

OT-2026-000030942

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two 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-2026-000030942) never changes.

Identity and time

Publication numberOT-2026-000030942 · never reused
Internal UUID01a0ae74-3fb6-79b6-85df-bb77b8a1fd10 · 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-2026-000030942
StatusPUBLIC

Content hashes

Canonical text6c4a67bd673316cd9a7025d327ce3087197fc38756fb32f4c4ef1daa740a75a5
Markdownecf51ae9182d776a6c87ee527ae91ba33035f9c4db7f07cb39242d391dc7256a
PDF
Publication page97f4f735401fc4e6aa4b2d842c41c27917400bd2e9d06afb73d87f2e2b79683f
Manifest4cb056cd606560e3598aab71318b881c2b24070e9954ccd4daa6157e45703d13

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
SignaturecQPrYU+G2euJEhA5x5qOaBjXnqHBRzSh3ihSJvMprxZFKk6OcbYNkdrx0wC6TzfVpansEr2qrSSAfN8VRcB4AQ==
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

2026-09-17T11:36:56.327591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030942
observed 97f4f735401fc4e6aa4b2d842c41c279...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:56.311550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030942/manifest.json
observed 4cb056cd606560e3598aab71318b881c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:56.293448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030942/publication.md
observed ecf51ae9182d776a6c87ee527ae91ba3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:56.275759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030942/publication.txt
observed 6c4a67bd673316cd9a7025d327ce3087...
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.