Endless Summer

Recording by Marcus & Martinus.

Recording identifiers

ISRC
SEUM72500347
CopyrightID (CopyrightChains transaction hash)
0x64051cc495418d182ae803d459bb0a9c38ba179f6a945044aa452f0f2ed8f9b7
Copyright registration time
2026-06-07T05:35:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:8ef4f466f95e80ed90ed454f97793832ae1e6dfb6db94c20039d70f3d1c79ea3

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.