Notturno

Recording by Alexander Borodin.

Recording identifiers

ISRC
GBBBC2200622
CopyrightID (CopyrightChains transaction hash)
0x0a2e7eac99f1bb3c2ef7b1c95a7af2578761f18198c102c6b6ef614c06fe0712
Copyright registration time
2026-07-07T08:06:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:e37e1507059fb3e7ec35f3cbd4ca63295486f02fe9fcf96beca60fb4ac090c2c

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.