ISRC NLA507300478
Verified recording
NLA507300478 is “24 Preludes, Op. 28: No. 7 in A Major. Andantino” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xd50b65f40daba34e9c262bc6e055423592d01ca4d84308f33a7e67db999dfe1d and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507300478.
Recording identifiers
- ISRC
- NLA507300478
- Title
- 24 Preludes, Op. 28: No. 7 in A Major. Andantino
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xd50b65f40daba34e9c262bc6e055423592d01ca4d84308f33a7e67db999dfe1d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:499d763aac3641007c164afc4d02b96465e876ae7193c292d5b034819e0a97e7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507300478
- Bitcoin block existence check
- https://blockstream.info/api/block/956889
Full record
Track page: 24 Preludes, Op. 28: No. 7 in A Major. Andantino · Machine-readable JSON-LD