Efterår

Recording by Marie Sofie Nedergaard.

Recording identifiers

ISRC
DK4YA0901213
CopyrightID (CopyrightChains transaction hash)
0xa5ed4f21775fa595e93cbdf12442dd4e2d9f374352ed38e42e503bd7a7dcdae3
Copyright registration time
2026-07-30T17:26:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T17:41:38Z
Bitcoin block
960288
Canonical record hash
sha256:656ded67318acabaa34bd560614ac199da78a99d6d4222a9b0478420a9df0a72

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.