Difícil

Recording by Ana Cañas.

Recording identifiers

ISRC
BRRGE1300385
CopyrightID (CopyrightChains transaction hash)
0xf7d30b4ab1885cd0657985c6bc7275d4805aa27cc42d6b37231c26aa67c1ae4a
Copyright registration time
2026-07-06T19:02:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:45e6659fba7abf3f46bac4bf2963ce5b24216b9cb0284f42b2ba6a649a020195

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.