Fyra japanska dikter - Vårblommor

Recording by Karl-Erik Welin.

Recording identifiers

ISRC
SE4011400115
CopyrightID (CopyrightChains transaction hash)
0x160368014a55a17263372615080edbc81fc83d6db83a2c876b795a54eb28d285
Copyright registration time
2026-07-31T16:11:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T16:33:26Z
Bitcoin block
960435
Canonical record hash
sha256:3868283c129d8961dd44be3b0ead958d4161dee5f3d9d1d54f7347409d9edc0c

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.