ISRC NLB151700080
Verified recording
NLB151700080 is “Ballade No. 1, Op. 23” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xf273853a900e3521b5307b7a8f421dd7e8fb896095d7a5e1b35f14b7bf029e68 and independently timestamped
in Bitcoin block 960459 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB151700080.
Recording identifiers
- ISRC
- NLB151700080
- Title
- Ballade No. 1, Op. 23
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xf273853a900e3521b5307b7a8f421dd7e8fb896095d7a5e1b35f14b7bf029e68
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T20:22:46+00:00
- Bitcoin block
- 960459
- Canonical record hash
sha256:985d09a3eeae970f02b4372361dd711c04a661c930a8b560d0e3f8b22d8cf970- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB151700080
- Bitcoin block existence check
- https://blockstream.info/api/block/960459
Full record
Track page: Ballade No. 1, Op. 23 · Machine-readable JSON-LD