Sibelius: Impromptu: II

Recording by Jean Sibelius.

Recording identifiers

ISRC
SE5XG2022402
CopyrightID (CopyrightChains transaction hash)
0xd1c638b02b27faf76404a8b9dba90c8d08cdee006893d575ec13fbed5503162a
Copyright registration time
2026-07-07T02:50:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:23feed8f432d89a748c7e3a4ed9cd2e4f1c3b868d7c24a384e50ed94da297609

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.