ISRC GBAYC0201563
Verified recording
GBAYC0201563 is “Madama Butterfly, Act II: No. 27, Coro a bocca chiusa (Humming Chorus)” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0xefdf89a0406d4af588ef4d972827cbbd3b18f0d3086fa4d0633e93597979d39f and independently timestamped
in Bitcoin block 960207 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0201563.
Recording identifiers
- ISRC
- GBAYC0201563
- Title
- Madama Butterfly, Act II: No. 27, Coro a bocca chiusa (Humming Chorus)
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0xefdf89a0406d4af588ef4d972827cbbd3b18f0d3086fa4d0633e93597979d39f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T04:47:22+00:00
- Bitcoin block
- 960207
- Canonical record hash
sha256:7bf34710fa2b54a056d8930554b4f773eaa48a8f25fee583a8e6b63b09f1e098- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0201563
- Bitcoin block existence check
- https://blockstream.info/api/block/960207
Full record
Track page: Madama Butterfly, Act II: No. 27, Coro a bocca chiusa (Humming Chorus) · Machine-readable JSON-LD