ISRC SEWDL0772606
Verified recording
SEWDL0772606 is “Madama Butterfly, Act II: Coro a bocca chiusa "Humming Chorus"” by Giacomo Puccini,
registered on the CopyrightChains blockchain with CopyrightID
0x2366e354b1d6c96950ce79d884232e9cc2ba7c47acea93171f7bc34478f5ee63 and independently timestamped
in Bitcoin block 960173 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0772606.
Recording identifiers
- ISRC
- SEWDL0772606
- Title
- Madama Butterfly, Act II: Coro a bocca chiusa "Humming Chorus"
- Artist
- Giacomo Puccini
- CopyrightID (CopyrightChains transaction hash)
0x2366e354b1d6c96950ce79d884232e9cc2ba7c47acea93171f7bc34478f5ee63
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T00:11:40+00:00
- Bitcoin block
- 960173
- Canonical record hash
sha256:dbe6abf4647a743920e030952e2eaa4dfe2439f4ada0b9f26b92edc326758f04- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0772606
- Bitcoin block existence check
- https://blockstream.info/api/block/960173
Full record
Track page: Madama Butterfly, Act II: Coro a bocca chiusa "Humming Chorus" · Machine-readable JSON-LD