El Ricoche

Recording by Martin Castillo.

Recording identifiers

ISRC
QMFLS1300013
CopyrightID (CopyrightChains transaction hash)
0x503c1087b8911e49b25bec0354b846c58e9a55b11e575a56dbecb720c79ddcd5
Copyright registration time
2026-07-30T04:45:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T05:15:54Z
Bitcoin block
960209
Canonical record hash
sha256:fa2dfdc3fe31f90b8ade1c54dba806762c9ff73a0f2d1a20f09bb92f3da6f644

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.