Breed

Recording by Nirvana.

Recording identifiers

ISRC
USGF19942504
CopyrightID (CopyrightChains transaction hash)
0xdb0ac4916d5f73ffacb2f5e55d73a322c6b9ed067bec85866bd2c2d70b7ce2c3
Copyright registration time
2026-06-01T08:54:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:6c816bcccc44c73f4074e58974da660c4cfd5661819a48d986a7c27f41512ccc

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.