All Apologies - 2013 Mix

Recording by Nirvana.

Recording identifiers

ISRC
USUM71309215
CopyrightID (CopyrightChains transaction hash)
0x14d4094785a5b50f0f86d8b84d15268a0ef61e594c6e5a3902931dc897ca57ab
Copyright registration time
2026-06-06T15:54:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:2ac850a6dbbd4b8870d39c864d41eed822d0427b17f806f5af165b2d9a233f7d

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.