Silvia

Recording by Juan Hernández y Su Banda de Blues.

Recording identifiers

ISRC
MX4971534921
CopyrightID (CopyrightChains transaction hash)
0x12881cf38496eb8f73b1c44e1a3ba03163b8c4c777d6275292ef45f4f2c4d84c
Copyright registration time
2026-06-27T13:34:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:dfe1dfe77d2aeb5742de1027668ad178cffd0b90d016222f9552ae2c5667049b

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.