Blind-Fredrik

Recording by Helge Borglund.

Recording identifiers

ISRC
NOUM71101727
CopyrightID (CopyrightChains transaction hash)
0x6e57f654f6b81ee16761cbe68fa2b685d04364ef14a971673f7d3487a4bee8af
Copyright registration time
2026-08-01T00:21:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T00:40:43Z
Bitcoin block
960489
Canonical record hash
sha256:501ebdff6710a8b1719b10df8032f9311f2ddf33b5208c9c77795e70a63564da

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.