Gustav Adolf II, Op. 49: III. I Kejsar Ferdinands slottskapell

Recording by Hugo Alfvén.

Recording identifiers

ISRC
SEBAC0009070
CopyrightID (CopyrightChains transaction hash)
0x48745690b345f703c21652852bf21f47b937675431350c72ad17b57007e04f8c
Copyright registration time
2026-01-28T22:22:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:0174cd61d20584d76b8c62ab3522a34d353a2a6bcfbe5576029f4a62c4fbd766

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.