Leisure Time

Recording by 曾志豪.

Recording identifiers

ISRC
TWCT52434215
CopyrightID (CopyrightChains transaction hash)
0x5dd9507c778b012a09f2f409b31b4c12a29c9c173e90ef1dff82b8920e0fd35c
Copyright registration time
2026-07-07T23:03:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:83080e8e75885c13aaaf64dc728ff7dab1ed27e9e59f883cf30a9a9afe8c84b6

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.