OpenTechnical

OT-2026-000091029

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000091029) never changes.

Identity and time

Publication numberOT-2026-000091029 · never reused
Internal UUID01a0ae9c-c012-7dfd-b091-b194d813805c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091029
StatusPUBLIC

Content hashes

Canonical text0bce00b6c831f3a725358172564a28b4cac56923ab83ed11c3b60841bf1b7ec9
Markdown7e146f6650b3fb86bd0662a1404b8409df1975f41c129b5f660d86858de12a84
PDF
Publication page1c7fd2ae9334b43e1ef1c65fae53afa2259877e9f9c6a690b4d6c1d0cf903149
Manifestb768b65985a211c83cf5b8383cd82a9b10ce2251144e73cc0cebe5c9891c109f

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+d5z5/Byy4Z/T3f08GwVqsAk3GZY1meS/oKSBl2tCL6IAdRg+JMiL7FkJUiOhkIlLiMf1lv1GdDaPVsH9zn4DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:44:16.313785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091029
observed 1c7fd2ae9334b43e1ef1c65fae53afa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:16.295141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091029/manifest.json
observed b768b65985a211c83cf5b8383cd82a9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:16.277298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091029/publication.md
observed 7e146f6650b3fb86bd0662a1404b8409...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:16.260363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091029/publication.txt
observed 0bce00b6c831f3a725358172564a28b4...
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.