ISRC DEF057230011
Verified recording
DEF057230011 is “12 Études, Op. 10: No. 12 in C Minor "Revolutionary"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x6dcf9de3202b40bd735b7483236d7758d5a4c6578d24b7bca314f0394570cf14 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057230011.
Recording identifiers
- ISRC
- DEF057230011
- Title
- 12 Études, Op. 10: No. 12 in C Minor "Revolutionary"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x6dcf9de3202b40bd735b7483236d7758d5a4c6578d24b7bca314f0394570cf14
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:d2c0e61846ee90e8867fa5887d20e221d8ad1f24253f6d2b8356053a68d7a048- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057230011
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: 12 Études, Op. 10: No. 12 in C Minor "Revolutionary" · Machine-readable JSON-LD