ISRC GBF077440513

Verified recording

GBF077440513 is “Madama Butterfly, Act I: Cio-cio-san! Cio-cio-san!” by Giacomo Puccini, registered on the CopyrightChains blockchain with CopyrightID 0x0495edfc2489191669792563fe309c3bbe88ee174b10ecafd82312f33592ba9c 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/GBF077440513.

Recording identifiers

ISRC
GBF077440513
Title
Madama Butterfly, Act I: Cio-cio-san! Cio-cio-san!
Artist
Giacomo Puccini
CopyrightID (CopyrightChains transaction hash)
0x0495edfc2489191669792563fe309c3bbe88ee174b10ecafd82312f33592ba9c

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09+00:00
Bitcoin block
953520
Canonical record hash
sha256:20f1ffa3554bbfaaac0fdb155a5149ae87c1f40edddc1a8090e230ca44c32e2d
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077440513
Bitcoin block existence check
https://blockstream.info/api/block/953520

Full record

Track page: Madama Butterfly, Act I: Cio-cio-san! Cio-cio-san! · Machine-readable JSON-LD