情歌好听却难唱

Recording by 张津涤.

Recording identifiers

ISRC
HKD012387889
CopyrightID (CopyrightChains transaction hash)
0xfe568313b220bd152f4f2e5f11a50b436c0efb920df7823e6fe55f8a5d3578e2
Copyright registration time
2026-07-31T19:54:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T20:22:46Z
Bitcoin block
960459
Canonical record hash
sha256:93d3b3d59c715af50b855430912244ec51e3cd16effbb33b2e45f051c3b6e29e

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.