Concerto For 2 Violins And Strings, " Per Eco " , A-Major: II. Larghetto

Recording identifiers

ISRC

DEA580601031

CopyrightID (CopyrightChains transaction hash)

0xd864cc1e4ce55e5bdea7d6c9d4d640c6a007977ef062c67a3117a65d4b9c016f

Copyright registration time

2026-07-30T22:57:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T00:26:26Z

Bitcoin block

960327

Canonical record hash

sha256:db582089a0f0a3b7836903440e02a53ce7c9234784916ba68b3c6f38b5fd6583

• Verify the CopyrightID on CopyrightChains
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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.