Indigo Echoes - Take 1

Recording by Duke Ellington's Sextet.

Recording identifiers

ISRC
USSM13500185
CopyrightID (CopyrightChains transaction hash)
0x81df3cea6e535e254d6d3e764d60d77e7c10dec1f72b9251700b054bc046f77c
Copyright registration time
2026-07-08T00:35:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:f7b0486daebf45c112aa11a92bd3e4d726bbe0eedf92c02166884365e1b42fdd

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.