Lyric Pieces, Op. 54: Nocturne

Recording by Edvard Grieg.

Recording identifiers

ISRC
GBF076911390
CopyrightID (CopyrightChains transaction hash)
0x1302f3c4a283c37f7677787621ed1c68bff1e606bf8188c4681ccf3750320803
Copyright registration time
2026-07-06T21:37:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:5d62d04af7e2d306b2b26aa2eab532a19f28dd64bf12f4c38ac99be267674853

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.