A Song of Us

Recording by MarcoMarche.

Recording identifiers

ISRC
BGA261590801
CopyrightID (CopyrightChains transaction hash)
0xeb4462b4252e50088c9331485e0153cbb74202a9215686c03c23f639ea2338bd
Copyright registration time
2026-06-08T16:34:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:5480899c145ac61e7c13bab16be84466243ccfb776c04bc55b764f6dbcf84a3a

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.