ISRC ATF068003670

Verified recording

ATF068003670 is “Zart” by Ludwig Hirsch, registered on the CopyrightChains blockchain with CopyrightID 0xd3d228e51658c03f3f26b0975dc67f90306d6a4d570b3d85f09f502640457ea9 and independently timestamped in Bitcoin block 960397 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATF068003670.

Recording identifiers

ISRC
ATF068003670
Title
Zart
Artist
Ludwig Hirsch
CopyrightID (CopyrightChains transaction hash)
0xd3d228e51658c03f3f26b0975dc67f90306d6a4d570b3d85f09f502640457ea9

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T12:24:41+00:00
Bitcoin block
960397
Canonical record hash
sha256:4a7e5b0ec05ee49bf7c9608120ad0a0513acbef7792ac819aef88c235ac70765
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATF068003670
Bitcoin block existence check
https://blockstream.info/api/block/960397

Full record

Track page: Zart · Machine-readable JSON-LD