The Yodel Song

Recording by Kurt Cobain.

Recording identifiers

ISRC
USUM71514590
CopyrightID (CopyrightChains transaction hash)
0xec50e5d9ef33e04f1144cd3bc6c4050359a877962b4f695e54d12d725418e3f4
Copyright registration time
2026-06-07T02:07:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:df0f513560bf766d98bbbe3c373dd40496bc2aae8451a859a943d3f717299292

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.