Song No. 1

Recording by Chick Corea.

Recording identifiers

ISRC
USC4R1100545
CopyrightID (CopyrightChains transaction hash)
0x6c91508631efb4d31ec791522f2bb4cd297b8e4b3caebeec65b579709a4ce4fe
Copyright registration time
2026-07-07T09:17:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:ec5a1019b15f50702c3b9e63fb0109b58b5620b766fce0bd17f5970faf4506a2

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.