24 Studies, Op. 35, "Exercises": No. 10 in F Major

Recording by Fernando Sor.

Recording identifiers

ISRC
HKI199507614
CopyrightID (CopyrightChains transaction hash)
0x8e72a1772430e1601772fdb758bdc22f38287f3dd2c481659f87eed996214f34
Copyright registration time
2026-07-31T17:14:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T17:29:52Z
Bitcoin block
960441
Canonical record hash
sha256:f3a47d9452fc82a3b09ef401ec2443b9e32e092f2b151dcec143fe3fa6cf1f31

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.