Summertime

Recording by John Coltrane.

Recording identifiers

ISRC
USAT20002143
CopyrightID (CopyrightChains transaction hash)
0xeb20445cb6c69e81385c52f229b9ca3f25f3d88cc190b81eebb6ab9108bd20f0
Copyright registration time
2026-06-26T09:30:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:6eec55a1d5093cd30c39d01f64665ae3e5423c26ec4dd1b05899c4eadb045b5e

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.