La bohème, SC 67: Che gelida manina

Recording by Giacomo Puccini.

Recording identifiers

ISRC
USTE10411644
CopyrightID (CopyrightChains transaction hash)
0xd01adc8533b629607086fb3133c43ef6f59197a700bf2fd4ad8ea610185ecb6f
Copyright registration time
2026-07-31T08:33:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T08:38:45Z
Bitcoin block
960370
Canonical record hash
sha256:74fad5a801805356b8ba214c617649f5e488ac40d732d4d93c489d9bef58a99f

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.