ISRC USSM10311772
Verified recording
USSM10311772 is “Madame Butterfly: Coro a bocca chiusa (Humming Chorus). (Coro)” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0x354ca4fdd395e9b9b7c5490cecc0a05469e19400af2a949c918f68a555d7c34c and independently timestamped
in Bitcoin block 960291 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10311772.
Recording identifiers
- ISRC
- USSM10311772
- Title
- Madame Butterfly: Coro a bocca chiusa (Humming Chorus). (Coro)
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0x354ca4fdd395e9b9b7c5490cecc0a05469e19400af2a949c918f68a555d7c34c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T18:23:33+00:00
- Bitcoin block
- 960291
- Canonical record hash
sha256:1c35b23cc4f1b9611d04486c4094a49664634334a7fc6c4e955bdc958bb553f0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10311772
- Bitcoin block existence check
- https://blockstream.info/api/block/960291
Full record
Track page: Madame Butterfly: Coro a bocca chiusa (Humming Chorus). (Coro) · Machine-readable JSON-LD