Nocturne (Arr. Cullen for Cello and Orchestra)

Recording by Alexander Borodin.

Recording identifiers

ISRC
NLA509708209
CopyrightID (CopyrightChains transaction hash)
0x7ab0ab20570d069f354c72f99f71af765dba7bee8ca4347cfcdcaca06faf4f49
Copyright registration time
2026-06-06T02:02:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:e7be071118c7622ce139bb2d4c06fbb0f33b3d701e48ba5df4262dbecfe8b970

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.