ISRC DEF056500651
Verified recording
DEF056500651 is “Mazurka No. 5 in B-Flat Major, Op. 7 No. 1: Vivace - Pt. 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x6269d48847369e7da774f84c36218be6ebc0a9c6fd5c1dc3f9f510bc31bf0749 and independently timestamped
in Bitcoin block 960337 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500651.
Recording identifiers
- ISRC
- DEF056500651
- Title
- Mazurka No. 5 in B-Flat Major, Op. 7 No. 1: Vivace - Pt. 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x6269d48847369e7da774f84c36218be6ebc0a9c6fd5c1dc3f9f510bc31bf0749
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:51:48+00:00
- Bitcoin block
- 960337
- Canonical record hash
sha256:abf20c97e78a3430311f1ad1b0954230bf87036e37605e779bb9c52f16a684d8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500651
- Bitcoin block existence check
- https://blockstream.info/api/block/960337
Full record
Track page: Mazurka No. 5 in B-Flat Major, Op. 7 No. 1: Vivace - Pt. 1 · Machine-readable JSON-LD