Echo

Recording by 1863.

Recording identifiers

ISRC
FRR642201758
CopyrightID (CopyrightChains transaction hash)
0x9353f9efac89bfeee53aef6802399ff2ac1748a13a2e14d7ee4fb32bb35a9489
Copyright registration time
2026-07-06T09:19:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:50:41Z
Bitcoin block
957052
Canonical record hash
sha256:b37caa4422141efe8708b4c2fb3ce44321b592b1064c20c927cfb428a547afc7

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.