Pearl Fishers Duet

Recording by Jussi Björling.

Recording identifiers

ISRC
GBBXS2037493
CopyrightID (CopyrightChains transaction hash)
0x147bbce42cc4d2ec8a0e203241993c0d55ebfc8883cab8d3c23534f19ff38621
Copyright registration time
2026-07-06T22:27:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a3eb66c456248b32a891aadea58717bb17c85ca84e49ad98498caab39d37e399

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.