Serenade for Strings

Recording by Vasily Kalinnikov.

Recording identifiers

ISRC
ITD542201278
CopyrightID (CopyrightChains transaction hash)
0x707116749479aa8e26c672a5387401ab89c4080b5458488ad884f960c8806769
Copyright registration time
2026-06-22T04:41:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:65981256bd7d67af01aaedabdb1c04486a6c5773df160ec0a165cb5ab84b3c16

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.