Echo

Recording by Caucus.

Recording identifiers

ISRC
TCJPG1735843
CopyrightID (CopyrightChains transaction hash)
0x157e35602fd78b0b5f1ea6e8758b29d5fe9dc0aa4ef2f766781ff3fd91e16eb6
Copyright registration time
2026-08-01T04:00:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T04:30:37Z
Bitcoin block
960509
Canonical record hash
sha256:7325ae50fafcf0961f80e7d1a12b4c2627a630d84b549646e09aa0b5d9151dd5

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.