21

Recording by RAiNBOW計畫.

Recording identifiers

ISRC
CNZ501800140
CopyrightID (CopyrightChains transaction hash)
0xc257ad74f0866fc22f66a30f831e248352983d63ff1d1cdbc176abb2a1426e21
Copyright registration time
2026-07-31T06:55:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T06:58:00Z
Bitcoin block
960362
Canonical record hash
sha256:504624a3207d63ee2b49c1a874a9eaa57806da03f4713f42b33c6ac563a35a70

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.