Por Si Volviera - En Acústico

Recording by Eva Sierra.

Recording identifiers

ISRC
ESA011544532
CopyrightID (CopyrightChains transaction hash)
0x423905278ebcfa629757422ffb991a95de89426965dd23e19713fb7f79ff21a9
Copyright registration time
2026-07-07T08:54:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:aca28c5f439696f1a28a860845fc26a25472c7d59dc10c1217e0ff65a21b718c

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.