4 Caprices for Violin Solo: No. 3

Recording by Grażyna Bacewicz.

Recording identifiers

ISRC
PLA552401208
CopyrightID (CopyrightChains transaction hash)
0xffeb5e4037d7966d940ecfcd458e3b16da2abde282353f67ed19a1b7515d6a98
Copyright registration time
2026-07-07T15:44:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:2fd54d8fe8ef9afe8f8ca2145b2b0191c1aca9ce502ef4d151e3d043ec976b5e

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.