Spare Change

Recording by Matt and Kim.

Recording identifiers

ISRC
US4HB0915504
CopyrightID (CopyrightChains transaction hash)
0x93c615147a377b9a1682501cabce0e54a0fb7432f20dfa92c1d49f078a6317e3
Copyright registration time
2026-06-17T06:53:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-17T19:07:14Z
Bitcoin block
954130
Canonical record hash
sha256:a419f69ebfa6d04185e32768f25a830c45df58a56cef78e60a895dca2209b98d

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.