Gustav Adolf II, Op. 49: VIII. Breitenfeld

Recording by Hugo Alfvén.

Recording identifiers

ISRC
SEBAA1204108
CopyrightID (CopyrightChains transaction hash)
0x9a9d13cad1e986e598859b4af8bc49ce937a96535d122ea3823c32eb7e4a7910
Copyright registration time
2026-01-28T20:43:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:613dc0f5293c68766900c993ba89b0cad98731c745692ed621b1ca10cb51f47d

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.