Sound Off

Recording by Ying Yang Twins.

Recording identifiers

ISRC
USW9J1000105
CopyrightID (CopyrightChains transaction hash)
0xf798de2840aa76e03337397ceed47f9abeec5f7371e0603f5d38a0dc1a785eae
Copyright registration time
2026-06-21T01:54:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:9b1c13451d7382e35d1ae2644e8a2afdef33dd26233eba0e68ca7dadbbbfa2c6

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.