Midsummer Vigil, Op. 19

Recording by Hugo Alfvén.

Recording identifiers

ISRC
DEF059505140
CopyrightID (CopyrightChains transaction hash)
0x6fc3f9b05edab28f1a0bcf91aac3c46c384055cace6232c9710c408c44e4315d
Copyright registration time
2026-07-06T20:23:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:aa7bc1431167fd0683e9e34add55d3adcf9af2257511b2d081c92ef74eaf19bc

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.