Un Viejo Amor

Recording by Alfonso Esparza Oteo.

Recording identifiers

ISRC
USSM18200265
CopyrightID (CopyrightChains transaction hash)
0xfc9675c4a815348b2e82421081a52c641a0ee73f5b5ac5dc2391eade405a0b4c
Copyright registration time
2026-06-21T21:03:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:c85217674d684bd00fbf947815388923a05dad10191b47c6cfc3694a80856304

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.