Una Vieja Cancion

Recording by Joan Manuel Serrat.

Recording identifiers

ISRC
ES5029800396
CopyrightID (CopyrightChains transaction hash)
0xea55aa197787b3f9931e3923557e2b534d2bec680d386f78aa749bca8912980c
Copyright registration time
2026-06-21T04:08:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:813f48516861a0a32300cec220133d9e73e29bbccc258b99dd687bf17ee46b10

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.