Casual

Recording by Lance Takamiya.

Recording identifiers

ISRC
QZDA82349907
CopyrightID (CopyrightChains transaction hash)
0x23fbbc3f536ec42aeed5575f75e00a3d0505f71779843d80f34a1f9f6125c473
Copyright registration time
2026-06-24T07:31:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:2693ed270cedacf72ac59e0dd8041b0dd09a52f5341ac1645f1a68384ae9dffd

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.