Blumenwalzer

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
DEMZ11700071
CopyrightID (CopyrightChains transaction hash)
0x93bbce3d341d858bc9fe4cfe1f05565ce0bfd19b2d6b183c0212101d1d54d052
Copyright registration time
2026-07-06T02:21:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:a4212410ef17ceac83e62c0ba85f1d324bb35d72cb2067543c01a6798ec72411

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.