舊歡

Recording by Michael Kwan.

Recording identifiers

ISRC
HKA610400774
CopyrightID (CopyrightChains transaction hash)
0x066b9ee828ed4bb069627c6038137ac1d3f0e4259c8120a4f74622036282036a
Copyright registration time
2026-07-07T13:19:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:e860b1fd9a0fc88e772dbf8d2d449865d6ae6c8fb06c772d2d48e3a3cabc040c

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.