Fyra japanska dikter - En barndomsvän

Recording by Karl-Erik Welin.

Recording identifiers

ISRC
SE4011400117
CopyrightID (CopyrightChains transaction hash)
0x0d50c4a9dd54661139b707aa527d3ca03e13e955db0466636c09cedbf6d84412
Copyright registration time
2026-07-31T16:31:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T17:29:52Z
Bitcoin block
960441
Canonical record hash
sha256:17a8b82bf1827c94cd8550d11e17fdb26697479120b4e6975ab264f45169d50a

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.