Cecilia

Recording by Omar Y Su Grupo Activo De Oaxaca.

Recording identifiers

ISRC
QZNJY2277898
CopyrightID (CopyrightChains transaction hash)
0x777500c4c74958fb28f2a0e6dd0fb7bfaa6da18987f6f41b895d9b6fc552ef75
Copyright registration time
2026-07-07T22:23:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:559a4adad72c09bf3a75fc25776b929b79767c348e4940891df780a222d12d90

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.