Kanden (Two Pianos Four Hands)

Recording by Jacob Koller.

Recording identifiers

ISRC
JPS801946788
CopyrightID (CopyrightChains transaction hash)
0x23e64eda4d493a42cf51c236864bfb352321d4256fd815b48bcbeb9088acc857
Copyright registration time
2026-06-27T18:29:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:dab6fa5b878bee72962fd4295badead3a4cf296623bedbe28361ca1be1a158fa

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.