OpenTechnical

OT-2026-000009728

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, sustained blow-off after set-down, on a tool changer

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-2026-000009728) never changes.

Identity and time

Publication numberOT-2026-000009728 · never reused
Internal UUID01a0ae6b-7564-7b3f-bac9-ebe39556070f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009728
StatusPUBLIC

Content hashes

Canonical text64f1057f62d9323eb1e0e7e941e7af31c569ada912d333487277ecaa0890c7ce
Markdownaed4130f68462966ce18664de9da0806075553c79666cfc17b7775fc9602ae4d
PDF
Publication page0d51cd7ca332ae9871a27771689c7bd744d477dd89a15fb7605a59387e56bd07
Manifest5d3c1afc417043503801589c51c7d46b191d75600c52843a51ea60fb10cc9761

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
SignatureMKDzXNl+atmimNyK1LZlonoOzqSx4nDcizU0J1+NBxdJladYaZtwOn6at0Bettyv/dee8syWmoHUiPd7gkbCCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:13.610619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009728
observed 0d51cd7ca332ae9871a27771689c7bd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:13.591129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009728/manifest.json
observed 5d3c1afc417043503801589c51c7d46b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:13.572507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009728/publication.md
observed aed4130f68462966ce18664de9da0806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:13.552871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009728/publication.txt
observed 64f1057f62d9323eb1e0e7e941e7af31...
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.