ワルツ第10番ロ短調作品69の2

Recording by Frédéric Chopin.

Recording identifiers

ISRC
JPN201400085
CopyrightID (CopyrightChains transaction hash)
0x2e5fd1d18163587515fd4485b056bccea7f40dcf274ed683b5834c8b7cb249e6
Copyright registration time
2026-07-03T11:47:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T01:25:57Z
Bitcoin block
956856
Canonical record hash
sha256:2539cf5901fc1888924b229e9d2410d5796a307393d086415b352e4cf025aa91

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.