Koto Song

Recording by Dave Brubeck.

Recording identifiers

ISRC
USAT20105568
CopyrightID (CopyrightChains transaction hash)
0x92a9b10ef1f736d6dfd91bdcf26db30c9e17275b86c2eac223d30b4a0bdc0556
Copyright registration time
2026-06-27T05:47:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:5320f6be434d4911a781b52f1f90cdb41fdd58505e9c8c562ec0bbbc5d31de25

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.