Violin Concerto No. 1, Op. 35

Recording by Karol Szymanowski.

Recording identifiers

ISRC
HKI199315401
CopyrightID (CopyrightChains transaction hash)
0xdb3c6cc3c6106c1972c7a2ffcc5d36575cb49ca857c6a0eb4574c2bc310459ba
Copyright registration time
2026-07-07T08:23:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:36afe2526c6dea70dbe9c914b1085e219691a6dbc9294a1d491b80ff4a47a9b2

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.