ISRC DEF056202031
Verified recording
DEF056202031 is “12 Etudes, Op. 10: No. 12 In C Minor "Revolutionary"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x864623c1b5b4b0f6587e3be814389c8113131b0e19b06fb820b1dfa34d997b18 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056202031.
Recording identifiers
- ISRC
- DEF056202031
- Title
- 12 Etudes, Op. 10: No. 12 In C Minor "Revolutionary"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x864623c1b5b4b0f6587e3be814389c8113131b0e19b06fb820b1dfa34d997b18
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:56b4d87bdc26df299043bb1c6ed0da1c5a69fa588bdc85a5d4710b13b1ca3dc6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056202031
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: 12 Etudes, Op. 10: No. 12 In C Minor "Revolutionary" · Machine-readable JSON-LD