ISRC USTE10412644

Verified recording

USTE10412644 is “Madama Butterfly, SC 74: Humming Chorus (Orch. C. Beck, S. Bernstein & E. Kunzel)” by Giacomo Puccini, registered on the CopyrightChains blockchain with CopyrightID 0xd99f0974c9ecb54a559fcf6577f9a3190511cc5721e8e3e140c5989648c6b624 and independently timestamped in Bitcoin block 960170 on 2026-07-29. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10412644.

Recording identifiers

ISRC
USTE10412644
Title
Madama Butterfly, SC 74: Humming Chorus (Orch. C. Beck, S. Bernstein & E. Kunzel)
Artist
Giacomo Puccini
CopyrightID (CopyrightChains transaction hash)
0xd99f0974c9ecb54a559fcf6577f9a3190511cc5721e8e3e140c5989648c6b624

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-29T23:52:38+00:00
Bitcoin block
960170
Canonical record hash
sha256:489f2723dacae49c9817a491cbeb06ae0f421b448c99eca9f8278c8e546703cd
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10412644
Bitcoin block existence check
https://blockstream.info/api/block/960170

Full record

Track page: Madama Butterfly, SC 74: Humming Chorus (Orch. C. Beck, S. Bernstein & E. Kunzel) · Machine-readable JSON-LD