En sång om sommaren

Recording by Lasse Stefanz.

Recording identifiers

ISRC
SEPQA2400013
CopyrightID (CopyrightChains transaction hash)
0x2e8f6cc019b989b6d5659a284341a299e3c04d3fc4f7be91a696b3c21fa2c597
Copyright registration time
2026-01-28T21:26:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:2ad58deb940206e07e18402785c89b616f681b3bf7f68eb7c3ce2732649b31f2

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.