Four Days Gone

Recording by Buffalo Springfield.

Recording identifiers

ISRC
USEW16839304
CopyrightID (CopyrightChains transaction hash)
0xd8681d3d406d187f1481fecb475c0df5668f7f19ee00ef49147ec8d201a8f0d1
Copyright registration time
2026-06-06T06:25:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:603dffade6c9963b2fb9e4dd68768b244076df9cb7577286d33feab5f4bbd657

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.