Center to Center

Recording by Fritz Kalkbrenner.

Recording identifiers

ISRC
DELV41600552
CopyrightID (CopyrightChains transaction hash)
0xc107c9698d69537b809cc4d56cbce6364267dc665cc67d935f5e42d4b4c5e305
Copyright registration time
2026-06-19T22:36:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:f31570e58650938d471d88c78ce271b9d66d8b720cccaa5461d3cbf3dbd656eb

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.