OpenTechnical

OT-2026-000094185

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000094185) never changes.

Identity and time

Publication numberOT-2026-000094185 · never reused
Internal UUID01a0ae9e-92cb-7f85-b435-99ed97d9209b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094185
StatusPUBLIC

Content hashes

Canonical texta2a580afecbc49a0f5594155e84b77d8e490ad0a26fb038fae436897cea16719
Markdown89928e6fe756ad2ad88918930134b6fb70c2039f85247edde5801aabc40ecefc
PDF
Publication page5224b5dc527c3d5e7ca13880d14f7a6ab19fdd2c2db663a7027b4792e28adf5a
Manifest097cc8ec1371d72ae8cbdf1fd17d81964fbb0038bcf22392ede19e9820ecee9b

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
SignaturekrY4rr9A8FnpE73OJv+KUG4b0+1UmrjX+sKGB4OFAcZc0m0m1IVKKv0/FBfrEihAqg8OnZB7h+Fe4j8tJf4DBA==
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

2026-09-17T09:38:39.139183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094185
observed 5224b5dc527c3d5e7ca13880d14f7a6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:39.120996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094185/manifest.json
observed 097cc8ec1371d72ae8cbdf1fd17d8196...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:39.103348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094185/publication.md
observed 89928e6fe756ad2ad88918930134b6fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:39.085569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094185/publication.txt
observed a2a580afecbc49a0f5594155e84b77d8...
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.