La bohème: Act I: Che gelida manina

Recording by Giacomo Puccini.

Recording identifiers

ISRC
USBC17300334
CopyrightID (CopyrightChains transaction hash)
0xc39cfa9d19597587d38c915571816824e48752b98f69e3a9f2b98d9aeca7f504
Copyright registration time
2026-07-31T05:53:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T06:42:11Z
Bitcoin block
960360
Canonical record hash
sha256:1eeed489aea9824e86b16d4722f70918e3e8458efaa1fe0bd157051e07d34eaa

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.