ISRC GBAYC1400680
Verified recording
GBAYC1400680 is “Puccini: Madama Butterfly, Act 2: "A voi però giurerei fede costante" (Butterfly, Sharpless, Goro, Yamadori)” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0x654c23df9cd30addf469ec64d579e3ca133531f676caccd02596c3e13a7c21a9 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1400680.
Recording identifiers
- ISRC
- GBAYC1400680
- Title
- Puccini: Madama Butterfly, Act 2: "A voi però giurerei fede costante" (Butterfly, Sharpless, Goro, Yamadori)
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0x654c23df9cd30addf469ec64d579e3ca133531f676caccd02596c3e13a7c21a9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:f414e60c0ff2f7c488ef5ac7803a45fa1e95ec81d4a82617f635159caca237ce- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1400680
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Puccini: Madama Butterfly, Act 2: "A voi però giurerei fede costante" (Butterfly, Sharpless, Goro, Yamadori) · Machine-readable JSON-LD