Friend

Recording by BTOB.

Recording identifiers

ISRC
KRA391800053
CopyrightID (CopyrightChains transaction hash)
0xe9545a3a56db9f3ca3bbfe21247a7b1e3c60acee1fddb90096c25c445ee7ee50
Copyright registration time
2026-06-06T08:09:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:4e68eafbaf07e0d9e428822a7fd4f36aabfcb6cabf001f31500ee936890468f0

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.