Pictures at an Exhibition: IV. Bydło

Recording by Modest Mussorgsky.

Recording identifiers

ISRC
GBGCS1900034
CopyrightID (CopyrightChains transaction hash)
0x556457e948459bb177b75ce3c90cc81804664910f9402faaed2515946e83b99a
Copyright registration time
2026-07-07T19:29:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:39:04Z
Bitcoin block
957122
Canonical record hash
sha256:b18e0d04e0b9967b396655b528612bf0fbd4e7fafd14755b7b463e8136f94209

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.