Contemplacion

Recording by Agustín Barrios Mangoré.

Recording identifiers

ISRC
HKI190128511
CopyrightID (CopyrightChains transaction hash)
0x2f9b06cde849da4dc386a9c3d025062a0ab377cfd86fce3a9fc6d52df89641da
Copyright registration time
2026-07-30T14:14:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T14:36:16Z
Bitcoin block
960264
Canonical record hash
sha256:00d9ae91488f1d21251e8eed95c08eaacc4efa84a168fa42f0db9304391875b3

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.