再見

Recording by Kay Tse.

Recording identifiers

ISRC
HKUM71000655
CopyrightID (CopyrightChains transaction hash)
0xf031fd542d2cddc7df750eaedf1a29a2ee6e203a0a3b16b4cbecd481b1c6772b
Copyright registration time
2026-07-06T09:38:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:50:41Z
Bitcoin block
957052
Canonical record hash
sha256:232d19c5be7cd51e4c59f0074768a66a4f0ab177d90f00d9e68fa643b8b73dac

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.