Blue Train

Recording by John Coltrane.

Recording identifiers

ISRC
USBN20300528
CopyrightID (CopyrightChains transaction hash)
0x5b446654972c2c29ea66c0e75ec4612ad75623a8c7ed0b5394e7d8144c8955f9
Copyright registration time
2026-06-04T08:50:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:1614ea22ef32dda94f52aefab168302ef2feae9dec98a4987ae597d058a317c1

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.