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