OpenTechnical

OT-2026-000103229

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pulsed blow-off after set-down

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-2026-000103229) never changes.

Identity and time

Publication numberOT-2026-000103229 · never reused
Internal UUID01a0aea4-be3f-79d0-9357-4de9cf8ca9b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103229
StatusPUBLIC

Content hashes

Canonical text26df4164b80681a74f2bd1bdc7487c3cab0f73b974469027a33fcf8eeaaa251e
Markdownb63a85ea0700a9c071023fa427ea0d452d367e9473fc78e297d41819f0f81c88
PDF
Publication pageba7c38c85f46b1234ab104c43805db7a9fd91f930e314d3bd45660aaed077870
Manifest05ddd76edcea8bdf8544f9b13ea5e938dbc11962dc094b04a3fd0c081f8a3d51

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
SignaturesKYfBtIsSd3gZC3AbJQcmickMdZgUajsU3PCXEDTmABAGiP0EChKOhkXmMPPqGRcwP5gbs4PmosY4OLmcB/VBA==
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

2026-09-17T09:23:27.722017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103229
observed ba7c38c85f46b1234ab104c43805db7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:27.703340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103229/manifest.json
observed 05ddd76edcea8bdf8544f9b13ea5e938...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:27.677174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103229/publication.md
observed b63a85ea0700a9c071023fa427ea0d45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:27.659746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103229/publication.txt
observed 26df4164b80681a74f2bd1bdc7487c3c...
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.