La bohème, SC 67: Che gelida manina

Recording by Giacomo Puccini.

Recording identifiers

ISRC
USTE10404411
CopyrightID (CopyrightChains transaction hash)
0xde5118871bdbb07aa1c920bf87f3547a2d97e8719c8f4ac7e915aaf7d5f0a0a2
Copyright registration time
2026-07-30T21:02:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T21:35:24Z
Bitcoin block
960317
Canonical record hash
sha256:b7ac884116c1e231ec4e43049b0bab3f6f84404bc571ed648d44ceb31c953448

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.