ISRC NLE421805601

Verified recording

NLE421805601 is “Madama Butterfly, SC 74, Act I: E soffitto… e pareti…” by Giacomo Puccini, registered on the CopyrightChains blockchain with CopyrightID 0x76c620b5f23956959419e4f3056c8edd6358aec7028dddcbe7794339b93cd3cf and independently timestamped in Bitcoin block 960441 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421805601.

Recording identifiers

ISRC
NLE421805601
Title
Madama Butterfly, SC 74, Act I: E soffitto… e pareti…
Artist
Giacomo Puccini
CopyrightID (CopyrightChains transaction hash)
0x76c620b5f23956959419e4f3056c8edd6358aec7028dddcbe7794339b93cd3cf

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T17:29:52+00:00
Bitcoin block
960441
Canonical record hash
sha256:a37004bec101867035d12e2c12e168dcec272b93095a2b02cb19f3267e4bc031
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE421805601
Bitcoin block existence check
https://blockstream.info/api/block/960441

Full record

Track page: Madama Butterfly, SC 74, Act I: E soffitto… e pareti… · Machine-readable JSON-LD