Cello Concerto In C Major, Hob.VIIb:1: 1. Moderato

Recording identifiers

ISRC

DEF056703081

CopyrightID (CopyrightChains transaction hash)

0x52c3c821f24d5dc41ea2b2b25e98348d2711d8155f3d60a549941094ccc25e4c

Copyright registration time

2026-07-07T02:39:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:20:19Z

Bitcoin block

957118

Canonical record hash

sha256:3f212a5301d301838cbda512a48c5f332e981935b63f2a6857620fc0a7f7b03a

• 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.