Concerto for Oboe and Small Orchestra: III. Poco allegro

Recording by Bohuslav Martinů.

Recording identifiers

ISRC
GBLLH1901207
CopyrightID (CopyrightChains transaction hash)
0xaea5cadd4b27dd0ee6c3940d5558b5c57df9f6a1d0735ffb4cb6bcf7a969acfe
Copyright registration time
2026-07-07T14:02:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:fd8e7a27e021e41dee927e105224c51ee2d96a99e7f5f85a999222effffaa96d

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.