Tonerna

Recording by Jussi Björling.

Recording identifiers

ISRC
SEVCE0600120
CopyrightID (CopyrightChains transaction hash)
0xd0c1cc16878dc550c0d521627c9e738f145fe52dbbbf2f512f0c17add0f74b2c
Copyright registration time
2026-07-06T22:48:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:de6a8c01106dd7289168bfa033240347e5b8be1465b99ed0584f36d5422b1e01

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.