ISRC FRZ206804910
Verified recording
FRZ206804910 is “12 Etudes, W 235: No. 1 in E Minor (Allegro non troppo)” by Heitor Villa-Lobos,
registered on the CopyrightChains blockchain with CopyrightID
0x7b51ee5dfc157282c8fa1f2c0f3f0380047f6a3ec385e8535e39325b7dd6e8a2 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/FRZ206804910.
Recording identifiers
- ISRC
- FRZ206804910
- Title
- 12 Etudes, W 235: No. 1 in E Minor (Allegro non troppo)
- Artist
- Heitor Villa-Lobos
- CopyrightID (CopyrightChains transaction hash)
0x7b51ee5dfc157282c8fa1f2c0f3f0380047f6a3ec385e8535e39325b7dd6e8a2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:83aa8c46fde31e67b01e532c83a4e4b64656b78cd966b703169d4327f312aa0a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ206804910
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: 12 Etudes, W 235: No. 1 in E Minor (Allegro non troppo) · Machine-readable JSON-LD