Bergakungen, Op. 37, Act I: Humpe letar mat

Recording by Hugo Alfvén.

Recording identifiers

ISRC
SEBAC9917060
CopyrightID (CopyrightChains transaction hash)
0xd6915552c737067c2bb91d7a41adc1c25c1ebde542d5ff63d9c5fa333722f518
Copyright registration time
2026-01-28T22:06:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:ae1e45f6ea87085f3caf49cbe764099f56ad96ee9f35366bf68a0a7ba80ff1d3

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.