ISRC HKI199231502
Verified recording
HKI199231502 is “Nocturne No. 12 in G Major, Op. 37, No. 2” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x648fb58d572c5ba4d5d827824269d2ffeea0560de3787bde96b7fdb6cc81a318 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199231502.
Recording identifiers
- ISRC
- HKI199231502
- Title
- Nocturne No. 12 in G Major, Op. 37, No. 2
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x648fb58d572c5ba4d5d827824269d2ffeea0560de3787bde96b7fdb6cc81a318
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:063e1aa4737290d0cb53b70952c6193b3c2c04a853e47608243056fc7c6ca23c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199231502
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Nocturne No. 12 in G Major, Op. 37, No. 2 · Machine-readable JSON-LD