Valse lente

Recording by Oskar Merikanto.

Recording identifiers

ISRC
HKI199515104
CopyrightID (CopyrightChains transaction hash)
0xc77929fa17d8a83cc2bfe779a07158dc2e321404e5132e142a02cac3ef0508e6
Copyright registration time
2026-06-10T18:46:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:0f17bfdf5f5335c98fd43ba8fbdd9941bda0b263ccb45c6f806ad7846f91b4c7

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.