Serenade for Strings, Op. 48: II. Waltz. Moderato

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
GBF076810162
CopyrightID (CopyrightChains transaction hash)
0x1e733502f19c311311a81bf66da49ee1b15111032e27e136de282c866ab11f51
Copyright registration time
2026-06-05T05:08:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:5c7eb7aa6758ade64f1d23157f38278371420feb7ec3ad3d38e803a32193af55

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.