ISRC GBF077440505
Verified recording
GBF077440505 is “Madama Butterfly, Act I: Ier l'altro il Consolato” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0xd5cd051df2767913145916fc7524e5c3c1da86fc5d44bf213e0c4a94997dce5c and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077440505.
Recording identifiers
- ISRC
- GBF077440505
- Title
- Madama Butterfly, Act I: Ier l'altro il Consolato
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0xd5cd051df2767913145916fc7524e5c3c1da86fc5d44bf213e0c4a94997dce5c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:b8915f28b29470246df7c2ad29d5bcf4ffaf7af21d6247e0dcb7328f9c78e671- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077440505
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Madama Butterfly, Act I: Ier l'altro il Consolato · Machine-readable JSON-LD