ISRC DEF057602361
Verified recording
DEF057602361 is “Concerto For Guitar And Small Orchestra, W501: 1. Allegro preciso” by Heitor Villa-Lobos,
registered on the CopyrightChains blockchain with CopyrightID
0x66e573550cad1fba2c91506050683aaca72ebd33ac32e150e2fae74124056491 and independently timestamped
in Bitcoin block 960422 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057602361.
Recording identifiers
- ISRC
- DEF057602361
- Title
- Concerto For Guitar And Small Orchestra, W501: 1. Allegro preciso
- Artist
- Heitor Villa-Lobos
- CopyrightID (CopyrightChains transaction hash)
0x66e573550cad1fba2c91506050683aaca72ebd33ac32e150e2fae74124056491
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:27:29+00:00
- Bitcoin block
- 960422
- Canonical record hash
sha256:4b38067e1364959014f9c5f26caeafe43daf6795a1fa4bafd310ebaacf5cce6a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057602361
- Bitcoin block existence check
- https://blockstream.info/api/block/960422
Full record
Track page: Concerto For Guitar And Small Orchestra, W501: 1. Allegro preciso · Machine-readable JSON-LD