I sommarstaden

Recording by Per Grundström.

Recording identifiers

ISRC
SE22T1700104
CopyrightID (CopyrightChains transaction hash)
0x8619ecfdd772d5eda06e676d58e8c5a13ab70356c9ae370b179cb1eb46c8344b
Copyright registration time
2026-07-30T14:20:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T14:44:50Z
Bitcoin block
960266
Canonical record hash
sha256:d4c09c55179040a0ae5a1fe20e86c08122cd2650251fa591dd8eafbd11cd0c0d

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.