Pedro e o Lobo: Apareceu o pato

Recording by Sergei Prokofiev.

Recording identifiers

ISRC
QMDA72143231
CopyrightID (CopyrightChains transaction hash)
0x707d55501b8afa64878d94dabbfb25dbee804e452d92f5b2d3cac543f8fba53b
Copyright registration time
2026-07-06T20:10:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:9aa4c44d9aef36c284c259be88e99d3e332a8193c8a1898d69fc3bb7e1f18e10

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.