Mourning

Recording by Nirvana 2002.

Recording identifiers

ISRC
DES560901520
CopyrightID (CopyrightChains transaction hash)
0x95b4e904abbecc5ada2e56058414dd41be52fb5acb8eecb9d2fa27ad14a09239
Copyright registration time
2026-06-27T15:26:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:f44994e49b32b4f4525d66cd4cc4dbc8d742628a63eb57933e3b98e16a8d84fb

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.