Gustav Adolf II, Op. 49: I. Vision

Recording by Hugo Alfvén.

Recording identifiers

ISRC
SEBAC0009050
CopyrightID (CopyrightChains transaction hash)
0x541850801cd2cc7e289959f171c9ea542b30c2b84105480266226de568152d7c
Copyright registration time
2026-01-28T22:23:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:68b20cb70ae80a6e27aa106e265eb172fd49b997d3525665f999ed22c9a67856

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.