友誼永在

Recording by Alan Tam.

Recording identifiers

ISRC
HKA610100250
CopyrightID (CopyrightChains transaction hash)
0xa5cb2b75d1fb9c0eae1a888f4a37622109c1c6d3d0bf68e40c614cf4cef1879e
Copyright registration time
2026-06-27T10:42:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T11:34:59Z
Bitcoin block
956349
Canonical record hash
sha256:9c1418357c77b1b63d317b3464109b74d0e092657ca221970e1d02f1170cdad7

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.