ISRC DEF058931808
Verified recording
DEF058931808 is “Candide, Act I: No. 6a, Battle Music (Mazurka)” by Leonard Bernstein,
registered on the CopyrightChains blockchain with CopyrightID
0xab8a6133e5eac6dbfe0fa739063b1ee29a0dd9ecb40d4fd14481e1b7b30f3552 and independently timestamped
in Bitcoin block 959144 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058931808.
Recording identifiers
- ISRC
- DEF058931808
- Title
- Candide, Act I: No. 6a, Battle Music (Mazurka)
- Artist
- Leonard Bernstein
- CopyrightID (CopyrightChains transaction hash)
0xab8a6133e5eac6dbfe0fa739063b1ee29a0dd9ecb40d4fd14481e1b7b30f3552
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T15:38:35+00:00
- Bitcoin block
- 959144
- Canonical record hash
sha256:5f9189dfba924d5c5bb722e9fa6d9fb9ae20b15869a204296c76a4e26b3b4870- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058931808
- Bitcoin block existence check
- https://blockstream.info/api/block/959144
Full record
Track page: Candide, Act I: No. 6a, Battle Music (Mazurka) · Machine-readable JSON-LD