Montage Of Kurt II

Recording by Kurt Cobain.

Recording identifiers

ISRC
USUM71514600
CopyrightID (CopyrightChains transaction hash)
0x69f7060da49030e693ee1a05d3a4ea0ed0ee23342ff2dd24505677fce26d9bb9
Copyright registration time
2026-06-10T19:32:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:f74381d0359b629644f6fefbc602dbf8319ac4236500ff43a78a6f6e11dff8cf

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.