Downer

Recording by Nirvana.

Recording identifiers

ISRC
USGF19950410
CopyrightID (CopyrightChains transaction hash)
0x063feac631e24fe067d9d35ca0b015989a6a4b9f296d043fa29679cdad92df49
Copyright registration time
2026-06-04T07:09:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:ee5b2f7e8b71c622ff6d6516f6efab708800562672e1f88294b45ad130513e16

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.