Sommardrøm

Recording by Matti Røssland.

Recording identifiers

ISRC
NOFQP9203020
CopyrightID (CopyrightChains transaction hash)
0x27b6f3de2c5a23574a8b16ba72a494c6df15cd0f6d6c3f077d0b4b34e5d18d94
Copyright registration time
2026-07-06T19:52:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7e52c9bca20b2b06e1a7dc2b5afbe47c9e3402f474c73f86a9f4e55902b141ad

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.