Sonata in B-Flat Major: II. Courante

Recording by Leopold Weiss.

Recording identifiers

ISRC
DEW741011002
CopyrightID (CopyrightChains transaction hash)
0x2652338acd035e8ff376d638036bdeb57d78adc7499824e2fecc755cb26485bf
Copyright registration time
2026-07-31T11:33:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T13:04:34Z
Bitcoin block
960403
Canonical record hash
sha256:44cfedd6a0cbb00529240fd10a6a711abd4d09e0c1a40448a3b9fa9320d30b4e

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.