La bohème, SC 67: Che gelida manina

Recording by Giacomo Puccini.

Recording identifiers

ISRC
USTE10404411
CopyrightID (CopyrightChains transaction hash)
0xde5118871bdbb07aa1c920bf87f3547a2d97e8719c8f4ac7e915aaf7d5f0a0a2

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T05:17:02Z
Bitcoin block
960348
Canonical record hash
sha256:655d01012b1a7b4653502838c7db1dc29b6a55011aacf328987d5bfb04558886

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.