La bohème: Act I: Che gelida manina

Recording by Giacomo Puccini.

Recording identifiers

ISRC
USBC17400192
CopyrightID (CopyrightChains transaction hash)
0xd25ada1354d5c5549981292295ab1fecebf5d95b600237fe822d50b20e388f7a
Copyright registration time
2026-06-25T16:30:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:2250789d15d1c4d17f1891a64d6ef3eb37789172da7df7ccdc83d345ea888bb4

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.