Underdog

Recording by Sly & The Family Stone.

Recording identifiers

ISRC
USSM10024909
CopyrightID (CopyrightChains transaction hash)
0xa493115a690c7b825a49d82c4b54084d5e40d8dd60fd22762044b20d5134cf9e
Copyright registration time
2026-06-05T16:12:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:39eafc76f86b8c3e217cc841f40995f684715553e8b4f3c4de9b1b200e63d469

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.