Hei

Recording by Marcus & Martinus.

Recording identifiers

ISRC
NOAJR1500004
CopyrightID (CopyrightChains transaction hash)
0x7221856bd0c732e998c9ec25e553cbbdb9660d5e9b278a3fe25491b2f9c3ae6c
Copyright registration time
2026-06-04T12:52:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:961c6111e737cf5e39ffe1838ed173d9c6a624cc7aa7887772abca8313fe730c

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.