黑鍵

Recording by JJ Lin.

Recording identifiers

ISRC
TWA531480005
CopyrightID (CopyrightChains transaction hash)
0x5c479a6b74787e9c9dbf5d7e0b7f888f8f477ad5366473f19f20fcfca3b9875a
Copyright registration time
2026-06-06T18:07:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:3b607bebad07d0a85621043e101233060e7b6a3f6b40c469c14c4cd65a994f45

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.