American Concerto for Trumpet

Recording by Ellen Taaffe Zwilich.

Recording identifiers

ISRC
USB8U1514692
CopyrightID (CopyrightChains transaction hash)
0x69b00be95f56a74b31d8e472a41681a1dc007dc1172e28502a89a153da3fbbc3
Copyright registration time
2026-07-07T13:32:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a51daaeac9a2eefbc88e72ee6e765fc666b50568d8d7de7157a04e4d4d0445ee

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.