12 Pieces, Op. 40: XII. Reverie interrompue

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
SEWDL6142721
CopyrightID (CopyrightChains transaction hash)
0x7486e2d9372d5c105545634423fd2f5be9a3871d6b06c983db09bfa9fb92ef0e
Copyright registration time
2026-06-08T15:49:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:6950023984de7bd4f0c53b5fc78cabbbd06d0e1a7edd8362c0396b7dc0e409cf

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.