Unforgettable

Recording by Marcus & Martinus.

Recording identifiers

ISRC
SEUM72301806
CopyrightID (CopyrightChains transaction hash)
0xb73a9e2a176ef03aea2342f331a134dc9ce38a28202af0f148fb5bc3ff6566d8
Copyright registration time
2026-06-01T20:40:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:bcdd92f5ddb9dc45782a95911b7f6abb24b0a442b0419e0fe64c0e5aab28bc75

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.