Cello Concerto in C Major, Badley C3: II. Adagio

Recording by Leopold Hofmann.

Recording identifiers

ISRC
HKI199612305
CopyrightID (CopyrightChains transaction hash)
0xa64c9c41fdbc0e30134bc7c22e4f8d245e390617bd6f071a2ab289bd3be38d91
Copyright registration time
2026-07-07T15:23:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d3ac000149395097cc7748f5d38f47284e0f0dbdbe38a78bdc1994c78898a64e

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.