Angustia

Recording by La Sonora Matancera.

Recording identifiers

ISRC
PL90Y2330635
CopyrightID (CopyrightChains transaction hash)
0x30da8aca98b18522f776b82863f0aafd3aa9e96d629fbf14e78544c4c7bdf525
Copyright registration time
2026-07-30T05:52:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T06:39:12Z
Bitcoin block
960216
Canonical record hash
sha256:9f58e766ff4c6601f3d9e6ee60aa04f22011abced4f5c58164d96ea00350aae5

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.