OpenTechnical

OT-2026-000018271

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single 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-2026-000018271) never changes.

Identity and time

Publication numberOT-2026-000018271 · never reused
Internal UUID01a0ae6e-b488-76ef-8655-1c588f9f1d84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018271
StatusPUBLIC

Content hashes

Canonical textd023581cadf3cca872c710de251b77307d3b93d7807abd5fd917a184bda8ea71
Markdownde7ab5c62e79fda8ca9185b825b67825b265975423d2ff0e021b8ec9d262b22e
PDF
Publication page7217fd23df0e533278c57df7b7b38ce8050c8ff6dc2aef66be1e7b5809fbe98c
Manifestbb8ad17ff57a91fe64739c8aa9b50bd0a02687a31c392da05cbd1800b07075ba

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
Signaturei4kMeigVjPNAo7yO1Vd+brH9Xm1oWlfZIjy394RCojz/LteDHKwUttg/dXqS8IAfLkEAk599HXoJEeA9Zq5jDg==
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

2026-09-17T12:00:06.937317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018271
observed 7217fd23df0e533278c57df7b7b38ce8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:06.912973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018271/manifest.json
observed bb8ad17ff57a91fe64739c8aa9b50bd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:06.891622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018271/publication.md
observed de7ab5c62e79fda8ca9185b825b67825...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:06.866611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018271/publication.txt
observed d023581cadf3cca872c710de251b7730...
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.