ISRC NLA507722817
Verified recording
NLA507722817 is “Mazurka No. 57 In C” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xe6c3bc37ca50c74b232f948ed3d31bae8ff42acddd0c48982db7829fdae2eab2 and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507722817.
Recording identifiers
- ISRC
- NLA507722817
- Title
- Mazurka No. 57 In C
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xe6c3bc37ca50c74b232f948ed3d31bae8ff42acddd0c48982db7829fdae2eab2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:8d0be5561da94ad6a61fd286b65f404f4641b6add1c1f83d79c35c91020bd041- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507722817
- Bitcoin block existence check
- https://blockstream.info/api/block/960334