OpenTechnical

OT-2026-000031723

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pulsed blow-off before 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-2026-000031723) never changes.

Identity and time

Publication numberOT-2026-000031723 · never reused
Internal UUID01a0ae74-bad0-7486-81be-83dd54dd9eb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031723
StatusPUBLIC

Content hashes

Canonical textf0c27188bd780e2a2cb50b2060da879ba27f3a7c7b931477ca7396b5a052aff6
Markdownbc536a3847f108a5fabbb5ffd10c0875d579119ddffd97c7979637036f8b8dc5
PDF
Publication pagee4b1593c3b0d0fa821920960bf9e7d1bab4c9c4cb397eda24091c3144e4ecde7
Manifest40533d8fcc522206fca23841c9192eecbc7d0cac0713aefa16e22866c5b13fc8

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
Signaturexuy3h52Zs0hrIDZQw2/AXSh13d/iTbfrBYGaJ87TX/5jPa9PnYrqdPJTvK5H+lKpY7R4s9m9gVhc1ydO1mLyBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:50.173604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031723
observed e4b1593c3b0d0fa821920960bf9e7d1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:50.156691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031723/manifest.json
observed 40533d8fcc522206fca23841c9192eec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:50.140779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031723/publication.md
observed bc536a3847f108a5fabbb5ffd10c0875...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:50.123431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031723/publication.txt
observed f0c27188bd780e2a2cb50b2060da879b...
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.