Swedish Rhapsody No. 1, Op. 19 "Midsummer Vigil"

Recording by Hugo Alfvén.

Recording identifiers

ISRC
GBAYD9100443
CopyrightID (CopyrightChains transaction hash)
0x9faaf49d0b91f3d83631da43445fc47459db00c8aa09008af62d2258ebbda97a
Copyright registration time
2026-06-21T20:52:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:50:38Z
Bitcoin block
957075
Canonical record hash
sha256:01efc4c8241e432597eca10752bb2e91dd9c861493cb3b975af30f466cc7d874

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.