A Traditional Tune In Common

Recording by Cao Zheng.

Recording identifiers

ISRC
USDO11201290
CopyrightID (CopyrightChains transaction hash)
0x990d5b2abd274b4ee2e9085f99a52db23819146c665d23424daa534d83dc97df
Copyright registration time
2026-06-22T09:43:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:1daaa25443bc9441a68b888802454ce71373167e7a5c1ec7d9f0414c69c8a8c9

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.