Etudes-Caprices, Op. 18: No. 2, In E-Flat Major

Recording by Henryk Wieniawski.

Recording identifiers

ISRC
SEAEK9916040
CopyrightID (CopyrightChains transaction hash)
0x8849c646fdc2169270496ad9976a607383038c210fc3247726d6d72965852770
Copyright registration time
2026-07-07T12:25:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:57939fb076fc5ce93b7499b2509a1c4e99611d788788ed51baa08d1d19dd52f1

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.