男人的背 男人的悲

Recording by Dave Wang.

Recording identifiers

ISRC
TWA539411109
CopyrightID (CopyrightChains transaction hash)
0x2215e20b321726e08d96fb6b3070abe2c1e9646f6e0b58bd53c90d452b52fad0
Copyright registration time
2026-07-06T08:09:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:4cd744d8869c93143cd823ce8a732c0d94c5d4fafea537d5439fcbffaad862bc

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.