Canción para una Amiga

Recording by El Reja.

Recording identifiers

ISRC
UYM122200908
CopyrightID (CopyrightChains transaction hash)
0x3d9219d8f6f2030c920f6893e56d4b2c55dd64414745fcdff2d4d4fbf581ece9
Copyright registration time
2026-06-20T22:21:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:ad564204ccbe5fe62475958f209c0caa773dfa4c2caea35afd27bd3deea3de45

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.