ISRC GBAYC1701121
Verified recording
GBAYC1701121 is “Ponce: Estrellita (Arr. Heifetz for Violin and Piano)” by Jonathan Tunick,
registered on the CopyrightChains blockchain with CopyrightID
0xf33bb9c3b5eb90b8bcd0711b792d92c70918c013c85d7fa1bf555291b1e7a824 and independently timestamped
in Bitcoin block 960160 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1701121.
Recording identifiers
- ISRC
- GBAYC1701121
- Title
- Ponce: Estrellita (Arr. Heifetz for Violin and Piano)
- Artist
- Jonathan Tunick
- CopyrightID (CopyrightChains transaction hash)
0xf33bb9c3b5eb90b8bcd0711b792d92c70918c013c85d7fa1bf555291b1e7a824
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T22:48:59+00:00
- Bitcoin block
- 960160
- Canonical record hash
sha256:b959b21907e5f46c96e7ac4049c3f12790742c4f5bcded6b141e15846fb87d10- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1701121
- Bitcoin block existence check
- https://blockstream.info/api/block/960160
Full record
Track page: Ponce: Estrellita (Arr. Heifetz for Violin and Piano) · Machine-readable JSON-LD