青春当歌 - 伴奏

Recording by Mao Buyi.

Recording identifiers

ISRC
CNZ632200437
CopyrightID (CopyrightChains transaction hash)
0xdd3e029f8bce8dd66bba62f6dcdaa93d0c21027d3ba9dd6c0826bb251ab214d7
Copyright registration time
2026-07-07T18:16:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:2c107c1bf4b55873bd67deac149be20de986258fb5e4a9dd551c4edfb90d3d87

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.