Midsommarvaka, Op. 19

Recording by Hugo Alfvén.

Recording identifiers

ISRC
HKI199314614
CopyrightID (CopyrightChains transaction hash)
0xe687007271a32adb790753e528a4f4b0a4c9f4cb8c2680558cfd35c5c24316ba
Copyright registration time
2026-01-28T18:08:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:521921698722eaadee78af9859c933ba8f29c190eff6e9e73b98a727dd10a2ce

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.