Nattmara

Recording by Pugh Rogefeldt.

Recording identifiers

ISRC
SEPQC7809150
CopyrightID (CopyrightChains transaction hash)
0xf6d8bf25e0427a25e70210a0a063b5580b9a7af8e27f5504a231385f67488b72
Copyright registration time
2026-01-28T19:29:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:fd231602bd5842e666cc635087bf915c9de0ef1486182e13cc7766e7677d1b30

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.