Cio-Cio-San

Recording by Giacomo Puccini.

Recording identifiers

ISRC
ITCC51105065
CopyrightID (CopyrightChains transaction hash)
0x6dac8d11724439e25ba587052384c6a099cf47b24ed9ac23be965d140e552628
Copyright registration time
2026-07-07T16:39:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:890cdd983818e51d9d203dd5db3687a288e780a89defb6d5b0c3247ed62ad6a3

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.