Concerto for String Orchestra: I. Allegro

Recording by Grażyna Bacewicz.

Recording identifiers

ISRC
HKI191403301
CopyrightID (CopyrightChains transaction hash)
0x8b131f926beb44a3aa695496abd8d0be76e322497f6d06735a9ad1203f55f0ff
Copyright registration time
2026-06-20T08:14:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:bad1814c5fa566d68105bf8962bdeebd12713265b488a80885284f737307144d

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.