ISRC DEF057230001
Verified recording
DEF057230001 is “12 Études, Op. 10: No. 2 in A Minor "Chromatique"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x62a2a5b6f52f00e5b5458e6421f27e8a3b3e85c018cd17fecff683388b92d43a and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057230001.
Recording identifiers
- ISRC
- DEF057230001
- Title
- 12 Études, Op. 10: No. 2 in A Minor "Chromatique"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x62a2a5b6f52f00e5b5458e6421f27e8a3b3e85c018cd17fecff683388b92d43a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:5e3ad0f82cc4fe6084bb2dc08e1ecc74897c683ea1a0cf46e56b8e7bb54c1537- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057230001
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: 12 Études, Op. 10: No. 2 in A Minor "Chromatique" · Machine-readable JSON-LD