8 Pieces, Op. 99: No. 7: Moment de valse

Recording by Jean Sibelius.

Recording identifiers

ISRC
HKI190230413
CopyrightID (CopyrightChains transaction hash)
0x495df696c409e7442763d75fb921b44a4192c9b3e176b69b952ae2cca8b0a652
Copyright registration time
2026-07-30T15:55:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T16:10:47Z
Bitcoin block
960277
Canonical record hash
sha256:9f838626fcf09df9fc1f0b7441c11fe48b6e2d04da10ad68d5d478431139de57

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.