OpenTechnical

OT-2026-000075896

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, vented before 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-2026-000075896) never changes.

Identity and time

Publication numberOT-2026-000075896 · never reused
Internal UUID01a0ae94-29ff-7574-9a17-2f3215b007e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075896
StatusPUBLIC

Content hashes

Canonical text26c697f0041b3a6117155f99571f6577123b55c9e69b776eac69cbe91c4f45ef
Markdownce26aa943f6a7e3a5ee50d93242580ee71d81e5bf636c9075390bac856fed3ed
PDF
Publication pagebf3908d8c0370aee5819d3f6b151f1e65697f4823e2233920cac8e4eea2c1546
Manifestbd103b70e8b42cb6bae5298a1741347992ab1ec9157ebe9f292adcf9314ce0bc

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
SignatureMvpFP4g6Ip0dECUiV1od12H3iEYsaokKHq5ut1V2FMUL/Qgjrlv+oHiugSD08rlocGrgqeNW5Z0oRayY682sBw==
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

2026-09-17T10:14:41.791211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075896
observed bf3908d8c0370aee5819d3f6b151f1e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:41.771704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075896/manifest.json
observed bd103b70e8b42cb6bae5298a17413479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:41.753437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075896/publication.md
observed ce26aa943f6a7e3a5ee50d93242580ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:41.729811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075896/publication.txt
observed 26c697f0041b3a6117155f99571f6577...
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.