OpenTechnical

OT-2026-000027136

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000027136) never changes.

Identity and time

Publication numberOT-2026-000027136 · never reused
Internal UUID01a0ae72-3454-7365-9406-467fb9531ffe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027136
StatusPUBLIC

Content hashes

Canonical text7efc7172369247d90b2650486ba1ce40474fbacb691a8c9790b92f5096d95fd0
Markdown203f32a67efda88881e1b4b047e785cb4e8c5d3225a56d0df5c52f479ed2b091
PDF
Publication pageeda7a64996cb276e9cf1fe59ecf7a2b4ed0cd2b88ea216f1ed1b3a1dd52dcb59
Manifestc62224c9d02c87085c8932b6e614737e9687554bd89edc4845004ff2be566ee2

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
Signature+gF4MkBHW1ALApLXV4S8jkXqsd9r1ANs3DCmvHNhN+lsXRd3PNlD7oaqBP9/ApC6KuYMKcbMoPcSBxCj7XSPAg==
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

2026-09-17T11:43:54.746057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027136
observed eda7a64996cb276e9cf1fe59ecf7a2b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:54.731900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027136/manifest.json
observed c62224c9d02c87085c8932b6e614737e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:54.715519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027136/publication.md
observed 203f32a67efda88881e1b4b047e785cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:54.699780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027136/publication.txt
observed 7efc7172369247d90b2650486ba1ce40...
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.