OpenTechnical

OT-2026-000103931

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pulsed 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-2026-000103931) never changes.

Identity and time

Publication numberOT-2026-000103931 · never reused
Internal UUID01a0aea5-15e7-78e8-a1ec-884a294d92ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103931
StatusPUBLIC

Content hashes

Canonical text3826bbe2d0e42d82f94e1003f384740c3731444e283675fce0fd4e51c1e5f2dd
Markdowndc05a0d6f0fb4427276f676aca08bb07496bab6257d1ebfb26a931f9070ab656
PDF
Publication page19a6aa5aadc69d355de64dd29319b6244d308bcc1afc67af649103fa5d8cba5f
Manifestf365024422d37ba4d545ad651d51aeee894289e07537d43e913c7ff24238ee33

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
SignatureG4fN/9FDs7lbNn6s7VUIbSRNkHksHRSg04lPYNowvpi4tJHfeFPWU2dSiHfCWyJAkmg6hX2Qe3uk7iapYFT1Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:55.744459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103931
observed 19a6aa5aadc69d355de64dd29319b624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:55.726345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103931/manifest.json
observed f365024422d37ba4d545ad651d51aeee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:55.709536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103931/publication.md
observed dc05a0d6f0fb4427276f676aca08bb07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:55.692683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103931/publication.txt
observed 3826bbe2d0e42d82f94e1003f384740c...
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.