Ouverture in D Major for 2 Trumpets, Strings & B.C.: I. Ouverture

Recording identifiers

ISRC

NLY331011749

CopyrightID (CopyrightChains transaction hash)

0xe8ebe966e0cd702ecf0916cec5f6b3f8e7eb550a91a4843a4d4a29a50847161a

Copyright registration time

2026-07-07T13:41:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:20:19Z

Bitcoin block

957118

Canonical record hash

sha256:16b43d90a0a25b9e4393d607c6f0ef57ba1b98661c7cc770d5858ee913c95362

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.