Tag des Jahrs: IV. Der Winter

Recording by Kaija Saariaho.

Recording identifiers

ISRC
SEAEC2362160
CopyrightID (CopyrightChains transaction hash)
0x84bbb4479ab65ce10e170aba25f959e2fab608ac2ed98da7c6775cb559d3fcf5
Copyright registration time
2026-07-07T01:25:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:59c08a17812ec02a4120a5c08897d0b76ebabd8ea1e394bf2f0f62749a6d8f9b

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.