Nite & Day

Recording by Marco Polo.

Recording identifiers

ISRC
US92U1307008
CopyrightID (CopyrightChains transaction hash)
0x159967c640fc6750e74111a5de47e8f4bbe73a3c674b04c5008d1d71b6d07a72
Copyright registration time
2026-07-06T07:37:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:19d92707946f175e00528e06e820d2af6d23bc7fb8977f13c81f907bb515c788

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.