ABC

Recording by 自由發揮.

Recording identifiers

ISRC
TWUM71300051
CopyrightID (CopyrightChains transaction hash)
0x0bfab0138148dea4da214cad1d9494cb61a9812fd50e35d3391b4a9d066edf98
Copyright registration time
2026-06-25T01:44:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T11:34:59Z
Bitcoin block
956349
Canonical record hash
sha256:c4151eef98ebfdd7847d37cb5bb5a9d0ae1ef26b6f4b8b9e2b30c5e473e8c2db

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.