ISRC FRZ119506370
Verified recording
FRZ119506370 is “Trauermarsch” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xa8f586dc37252859d33cb80ba2d2a1125e8f7bee4ce41e92660f3d2465596f53 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ119506370.
Recording identifiers
- ISRC
- FRZ119506370
- Title
- Trauermarsch
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xa8f586dc37252859d33cb80ba2d2a1125e8f7bee4ce41e92660f3d2465596f53
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:ff0c5c2154393439fce1d10b6eebae861cdbc2dd9181c9f1682f53bbc787fed2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ119506370
- Bitcoin block existence check
- https://blockstream.info/api/block/956302