Peter and the Wolf, Op. 67: The Wolf swallows the Duck

Recording by Sergei Prokofiev.

Recording identifiers

ISRC
HKI199829625
CopyrightID (CopyrightChains transaction hash)
0x4725b6fd5dbddaf73516c272c0a56e95fa81b330f84da941661617547dd59369
Copyright registration time
2026-06-09T08:02:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:8b534d0af5420656c2ceb0f6dbca1deaa04431c124f2c33efa81cfaa7d017613

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.