Trombone Concerto in D Major: II. Andantino

Recording by Michael Haydn.

Recording identifiers

ISRC
SEAEM0448020
CopyrightID (CopyrightChains transaction hash)
0x8e0c389b09f2654b642fb63314064e32ffcecaadd1fc74d81ed185bc8372db50
Copyright registration time
2026-07-31T23:55:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T00:10:46Z
Bitcoin block
960485
Canonical record hash
sha256:4e93a7b9a9042f559db1274f9d896dbe125fa9e0d5788f5c200e684b16ce4764

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.