Che gelida manina (La Bohème)

Recording by Jussi Björling.

Recording identifiers

ISRC
ATP130255313
CopyrightID (CopyrightChains transaction hash)
0xf5cdee64fa4fc44ddfb0855cd7f8641b1c6bb584bf279fb5f5790bd7e2cc2eb1
Copyright registration time
2026-07-30T02:15:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T02:30:29Z
Bitcoin block
960199
Canonical record hash
sha256:517f8c6e909b56bd26ef9e3ab8649e96d0ec89df74d952591cb54c63e5ca6bf0

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.