The Classic

Recording by SACK.

Recording identifiers

ISRC
QZHNA2224186
CopyrightID (CopyrightChains transaction hash)
0x71dd374f7150925e8278ab2db6214be778ee231aef11737915fe0cc05e649af8
Copyright registration time
2026-07-06T09:28:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:07:00Z
Bitcoin block
957061
Canonical record hash
sha256:4befbeab2f86a78b3f56f1aa917e359ac137a2fe37fe218c7ccc575fd5603085

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.