Been A Son - Live In Amsterdam, Netherlands/1991

Recording by Nirvana.

Recording identifiers

ISRC
USGF19610506
CopyrightID (CopyrightChains transaction hash)
0xfd6acee46339e28a71ff494c1e48951c6fdfb0577d9fd4a26de0c53afa3a6897
Copyright registration time
2026-06-07T12:05:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:f14a44c2e494e82242ae1bbe31f58ac0886ce9788e3691fac4735891fddf1953

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.