ISRC QZEKE1853271
Verified recording
QZEKE1853271 is “Chopin : Waltz No.9 In A Flat Major Op.69 'L'Adieu'” by Classic,
registered on the CopyrightChains blockchain with CopyrightID
0x73d215bf9e1ea5068c548e6bc65123f0e16cba1b4e34fda3abcf0aba5750b07b 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/QZEKE1853271.
Recording identifiers
- ISRC
- QZEKE1853271
- Title
- Chopin : Waltz No.9 In A Flat Major Op.69 'L'Adieu'
- Artist
- Classic
- CopyrightID (CopyrightChains transaction hash)
0x73d215bf9e1ea5068c548e6bc65123f0e16cba1b4e34fda3abcf0aba5750b07b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:8cac3d1c46efcfb6f3fb9d42603769e0142fc949457f16db62e10c670b7f1758- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZEKE1853271
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Chopin : Waltz No.9 In A Flat Major Op.69 'L'Adieu' · Machine-readable JSON-LD