ISRC FINDE2300077
Verified recording
FINDE2300077 is “Two Mazurkas, B. 16: I. Mazurka in B-flat major, B. 16 (1826)” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xbc76f0cdf7c6434305218689eb6b6c23f83e89d850fb518f934599b36b6c07b6 and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FINDE2300077.
Recording identifiers
- ISRC
- FINDE2300077
- Title
- Two Mazurkas, B. 16: I. Mazurka in B-flat major, B. 16 (1826)
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xbc76f0cdf7c6434305218689eb6b6c23f83e89d850fb518f934599b36b6c07b6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:7d634a31643026086439bcaaf60a619da11cd4df820a5e3b19123e14f6286564- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FINDE2300077
- Bitcoin block existence check
- https://blockstream.info/api/block/960144
Full record
Track page: Two Mazurkas, B. 16: I. Mazurka in B-flat major, B. 16 (1826) · Machine-readable JSON-LD