Symphony for String Orchestra: III. Allegretto

Recording by Grażyna Bacewicz.

Recording identifiers

ISRC
HKI191403306
CopyrightID (CopyrightChains transaction hash)
0x5da2cc443df57883c3fee72f5967b7c3a5bb258ab0a23966224fa11752bff63f
Copyright registration time
2026-07-07T14:46:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:4f29114e6e7ec97126876b1720a039e62d229572c8d6abe73e95e70773e30178

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.