ISRC DEF057401211
Verified recording
DEF057401211 is “Andante spianato et Grande polonaise brillante, Op. 22: Andante spianato. Tranquillo” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xda318f2fe2c7bb4338e54f35d9875d5704580b11384a8bc91018a0768c452100 and independently timestamped
in Bitcoin block 960225 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057401211.
Recording identifiers
- ISRC
- DEF057401211
- Title
- Andante spianato et Grande polonaise brillante, Op. 22: Andante spianato. Tranquillo
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xda318f2fe2c7bb4338e54f35d9875d5704580b11384a8bc91018a0768c452100
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T08:04:30+00:00
- Bitcoin block
- 960225
- Canonical record hash
sha256:e97f9aa448a3812a441e07d3abd149ac4b6e699a4c84d31707e4e528a5c2dbd2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057401211
- Bitcoin block existence check
- https://blockstream.info/api/block/960225
Full record
Track page: Andante spianato et Grande polonaise brillante, Op. 22: Andante spianato. Tranquillo · Machine-readable JSON-LD