OpenTechnical

OT-2026-000004532

Publication integrity record

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

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-2026-000004532) never changes.

Identity and time

Publication numberOT-2026-000004532 · never reused
Internal UUID01a0a91b-18ef-7b40-8673-a5bf93fcd9f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:25:20.497902Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004532
StatusPUBLIC

Content hashes

Canonical textfe6e784fadf7601e9dff110fe58b76c64ad61fdab8269664cdf6981961ddc939
Markdown1f8b090a5b44711feac0e64b28b3f28179da85e83d10e83368b5c14584ba0355
PDF
Publication page0fd56c61c91f44c81d156fcd6a01e04f1d53dd47c8f120f582c294f9c2b322b6
Manifest103b348a8cc4600900b91a7e377f37cee284e71cb6ce959f8ba80c6d9c42b5ab

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
Signature30mC7nhDZk4O201/HLW+5gLjjgNag1hJiEH3vZ3OuqDTayshwT2+Ou/uV7JuCa2EFmwGaVSGmFggOSeU9VyIAw==
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

2026-09-16T07:30:17.653813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004532
observed 0fd56c61c91f44c81d156fcd6a01e04f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:17.641943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004532/manifest.json
observed 103b348a8cc4600900b91a7e377f37ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:17.628386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004532/publication.md
observed 1f8b090a5b44711feac0e64b28b3f281...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:17.495843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004532/publication.txt
observed fe6e784fadf7601e9dff110fe58b76c6...
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.