Fyra japanska dikter - Svårmod

Recording by Karl-Erik Welin.

Recording identifiers

ISRC
SE4011400116
CopyrightID (CopyrightChains transaction hash)
0xaafdaf39f875cba8242e373d66acf107374be0cfec32cc15176d44386db01b22
Copyright registration time
2026-07-07T16:25:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:f941e754027d32b277e533bcb45da18bddb7bc6162b34557cc6250a496b1c3d9

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.