Concerto for String Orchestra: I. Allegro

Recording by Grażyna Bacewicz.

Recording identifiers

ISRC
PLA162279301
CopyrightID (CopyrightChains transaction hash)
0x2eb6c818b7c1b3987068f89c9540613d56edb898883d5cc25847beb0b15f1d3c
Copyright registration time
2026-07-07T17:14:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:dea8f73f4ea6b42b407cbf1ee6056061ad27662146fcf22903b718b9c7eae072

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.