Impromptu

Recording by Desi Arnaz Su Orquesta.

Recording identifiers

ISRC
GRHR11094819
CopyrightID (CopyrightChains transaction hash)
0xbb84a52804edc026e841b50cfbcb04af8e99613f84d05dacb758e475c7577473
Copyright registration time
2026-08-01T03:23:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T03:41:24Z
Bitcoin block
960503
Canonical record hash
sha256:6dcf63fb7b9d4e2f30410de66faf51a6655bbe22073c66121c3e3b3b619ecdc4

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.