Gustav II Adolf, Op. 49: IV. Elegy

Recording by Hugo Alfvén.

Recording identifiers

ISRC
GBLWD9408905
CopyrightID (CopyrightChains transaction hash)
0x3da5d2f6f5dbf53a6cc06935f43603491a1e75272c7bab674c19a08b1b9e65c3
Copyright registration time
2026-07-07T17:19:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:4f626af025adef904092d4208e52ac10e0b9b132631a4e2026c7dd672cecea15

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.