OpenTechnical

OT-2026-000072193

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000072193) never changes.

Identity and time

Publication numberOT-2026-000072193 · never reused
Internal UUID01a0ae92-47c2-7bac-9d47-d4a0363796cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072193
StatusPUBLIC

Content hashes

Canonical textf6c5c272f827810575d61a480228e322848c24803aebc763fac39aff5d577f93
Markdown2e7e6f050d94fbc3de3796e8203bd65f95b039bc5da4c40ec72e3100fa2df552
PDF
Publication page5d354a8bae384891dae2760d72c353769f189425dfc7c407bfeef626cd8c8f72
Manifesteaa9e8ee34d73095203a20400188e23133a43093cf9bdca0acaea702cb006a3c

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
SignatureyYzF7YX/t3g/x9VgHXPom+5IzE0DwvdR4Op8VgtIMAkBHmqsNcJC5TNIANsijfgBKd+6VJ8Jm030lT8GdnoVBw==
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

2026-09-17T10:23:17.632689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072193
observed 5d354a8bae384891dae2760d72c35376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:17.616117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072193/manifest.json
observed eaa9e8ee34d73095203a20400188e231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:17.597615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072193/publication.md
observed 2e7e6f050d94fbc3de3796e8203bd65f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:17.579317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072193/publication.txt
observed f6c5c272f827810575d61a480228e322...
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.