Do Re Mi - Medley

Recording by Kurt Cobain.

Recording identifiers

ISRC
USUM71514621
CopyrightID (CopyrightChains transaction hash)
0xba794406787c6d5f5b8f5bd7a84e75a9c5d9e914eb20ae14bf4cf466507100ea
Copyright registration time
2026-06-07T08:29:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:daad2f73c29f542f25a982a2c02957a43399c710560e26329524be19bfdfb633

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.