Joy Spring

Recording by Clifford Brown.

Recording identifiers

ISRC
USBN28700498
CopyrightID (CopyrightChains transaction hash)
0xaf3700b1829195efa8280f22f913e13af60df886acd35a8279f1cb4fae05c62f
Copyright registration time
2026-06-04T13:36:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:40fe3b4af3b8d5f8731c59bf20dabe22963e2ba9ce40df6a907d1c8b41d64387

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.