Hjalmar Bergström

Recording by Owe Thörnqvist.

Recording identifiers

ISRC
SEVNZ6000106
CopyrightID (CopyrightChains transaction hash)
0xbed222bebadb88b3e3ab3161150812a6a7e625cc64f3f7f89aea3206f44f0784
Copyright registration time
2026-01-28T22:52:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:5b7a760431cfd44d742304f571abd3264817ef646a120672b07be6a1f7bff1ae

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.