Rudens

Recording by Alfrēds Kalniņš.

Recording identifiers

ISRC
QM4TW2023535
CopyrightID (CopyrightChains transaction hash)
0x4a88bf2f182aec85b1a9b111f23aad022983011f508c5efcf6f914e66574bf4c
Copyright registration time
2026-07-31T10:26:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T12:24:41Z
Bitcoin block
960397
Canonical record hash
sha256:3d2402dd80ed4030f536393207913628f4a4a1c49d4ef27a942c89a87b0961b9

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.