ISRC QZEKE1853268
Verified recording
QZEKE1853268 is “Chopin : Mazurka No.40 In F Minor Op.63-2” by Classic,
registered on the CopyrightChains blockchain with CopyrightID
0x6d5284cd888b36ebd53b044459dd0c16602f2e179869c1eb6d3fe204cd554091 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZEKE1853268.
Recording identifiers
- ISRC
- QZEKE1853268
- Title
- Chopin : Mazurka No.40 In F Minor Op.63-2
- Artist
- Classic
- CopyrightID (CopyrightChains transaction hash)
0x6d5284cd888b36ebd53b044459dd0c16602f2e179869c1eb6d3fe204cd554091
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:702e2872c27c5c1e5c461cc1c1f6169047cb4509c20b508f6c30aa45b24fc832- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZEKE1853268
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Chopin : Mazurka No.40 In F Minor Op.63-2 · Machine-readable JSON-LD