A Ballad for Chong Wang

Recording by Yin Yin.

Recording identifiers

ISRC
CHA831994611
CopyrightID (CopyrightChains transaction hash)
0x7e081599f6214c6b3c58d36ba5ea0d9074db145d4341fbaacf663d229aab86ca
Copyright registration time
2026-06-08T10:34:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:4d33ec2e28633d79b9063ed59024f464726fc83d9dcc10a364e51ca54657fc20

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.