Coolidge - Bonus Instrumental

Recording by Knowsum.

Recording identifiers

ISRC
QM6N22438948
CopyrightID (CopyrightChains transaction hash)
0x6a0dfdcc34996444222a27809cb990d56fc53e86af86b224c408a8e9f9d31ed0
Copyright registration time
2026-06-06T22:10:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:cd4bf89ecd401e6b784d1b407155193e22daeb7cd5e8aaa076199637f4f3f85e

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.