Sonntag

Recording by Robert Babicz.

Recording identifiers

ISRC
DEU670500101
CopyrightID (CopyrightChains transaction hash)
0x4449f5634fcac5aa2e96bd098f4f067903f4175c7fcbdc719c9245ae1d6fc510
Copyright registration time
2026-07-07T07:00:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:c2a93b0ad477a9166ac02079e6cace2b361ea66e586cdf6dad02e3d4bc5c6ed3

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.