CTA

Recording by John Coltrane.

Recording identifiers

ISRC
USFI80700054
CopyrightID (CopyrightChains transaction hash)
0x51f55a56b8f0087e5a60b591c36a182476f478f34e1f7b2ef1bba6258f999824
Copyright registration time
2026-07-31T08:49:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T09:09:19Z
Bitcoin block
960376
Canonical record hash
sha256:965c8229d7cab200ba8818380ece8b71d847f8ed708e2e7b6d40cf8cd6618238

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.