Critical

Recording by Marta Sánchez.

Recording identifiers

ISRC
ES71G1500625
CopyrightID (CopyrightChains transaction hash)
0xcf97e1a0ae00bc802a8b4bdec22e2cf2c04e8cc6647fa94f0ea5b43f79770469
Copyright registration time
2026-07-06T07:02:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-21T16:53:29Z
Bitcoin block
957075
Canonical record hash
sha256:0c23f5bd90fccd6f8a169834f436e5b294d13c01e1e4a2f87e09b8e1ee57efc0

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.