Legends For Harmonica And Strings - I: Prelude And Telemark Ballad

Recording by Sigmund Groven.

Recording identifiers

ISRC
NOFGG0498060
CopyrightID (CopyrightChains transaction hash)
0xb1e3e7df3d7bff53678dd2e32cbae34198fc2004782f3a5066954cb023cbc165
Copyright registration time
2026-07-07T06:14:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:fd40fdc3b527d8c98f77a3a3d6553623b991ff636304b4d5aa54b71329decd7b

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.