Recitation of Leisure

Recording by Guo Gan - Chinese Erhu Master.

Recording identifiers

ISRC
ITI401800056
CopyrightID (CopyrightChains transaction hash)
0x73354852ceb0ee42d6c05550aa9615056abf0b5f7e900df30deb786a0942b169
Copyright registration time
2026-07-07T03:15:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:9e993e9516b5f55e5d274f222e97db748c32294b5b9ac5c9b6eff9b0d385a901

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.