Marquee

Recording by Marco Polo.

Recording identifiers

ISRC
USGVJ0700803
CopyrightID (CopyrightChains transaction hash)
0x1501b0049408bcbc9af2f545726b77fa6b2130a00574c662e08bd48d11e0839e
Copyright registration time
2026-06-09T17:31:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:8be25999fd3b54c50f1f08096d72356a16ba20c63351dab5eb5b26289507d525

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.