Waltz from String Serenade

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
GBTHM0900260
CopyrightID (CopyrightChains transaction hash)
0xd09068ad4728aaeda6c50f9a01b3d5807522ae397382b5bb9be7fa6f78e47eac
Copyright registration time
2026-07-07T14:06:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7ce3839dd43495bd5d8080e690ae71e861bf033aef99221183b3af0a0c184f7c

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.