OpenTechnical

OT-2026-000004132

Publication integrity record

Bellows cup vacuum gripper, four zone face, two outlet manifold, ejector fed

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-2026-000004132) never changes.

Identity and time

Publication numberOT-2026-000004132 · never reused
Internal UUID01a0a90f-598a-7bad-bb12-35ad794b38fc · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:12:30.605239Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004132
StatusPUBLIC

Content hashes

Canonical texteeaee80c3cf669c56bb3eb1e94e9565a0a348cf0fb1d724169856998aa93c027
Markdown3762d171f2b5e89cf3f560778dc2213ecf39105fc2a7bca4d78d47f83544b484
PDF
Publication pagee428a39e03422ca42df7b0d92b1acf8877cd115f6d70431e6833b54e16c78570
Manifest4ab2b27e0a1ac645bc1a62bce8fe575c53530bd778ca97ac953b6d1390836cac

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
SignatureLeA6e6Wt3Bee9S06hDi5t1mDdQZk86JoCX5DdPAhCDHOgLtk2AU/hwokdEByqkb6ORVE0thLIrDPVkOgnOyqDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:20:32.934854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004132
observed e428a39e03422ca42df7b0d92b1acf88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:32.922539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004132/manifest.json
observed 4ab2b27e0a1ac645bc1a62bce8fe575c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:32.911220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004132/publication.md
observed 3762d171f2b5e89cf3f560778dc2213e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:32.898643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004132/publication.txt
observed eeaee80c3cf669c56bb3eb1e94e9565a...
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.