El 1-11

Recording by Ernesto Cota.

Recording identifiers

ISRC
QZQMB2100882
CopyrightID (CopyrightChains transaction hash)
0xb81022cb2dff3e10a0497b874f6df788610ea5db95cf72f451abe66725f51c8b
Copyright registration time
2026-07-07T20:48:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:1d478badd0e7761d5bdbbcd810ffde1d0126f27b414c344b9c3c2a9c24904287

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.