Valse Triste, Op 44

Recording by Jean Sibelius.

Recording identifiers

ISRC
USSJ17000753
CopyrightID (CopyrightChains transaction hash)
0x80d4d9a0d548bf463625de5ef43032cd82168e673850de49e067640a9149b8d9
Copyright registration time
2026-07-07T14:49:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:6d0199a7d524447bf0e5841c6c398638a3111e3fe412d907a6f15c7ee028e8b4

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.