ISRC JPVI09012940

Verified recording

JPVI09012940 is “即興曲 第1番 変イ長調 Op.29” by Ewa Pobłocka, registered on the CopyrightChains blockchain with CopyrightID 0x625a9ae1119fe46b26d968320574efbc75b6d745363e22164922146ae08ad5fa and independently timestamped in Bitcoin block 956302 on 2026-07-02. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI09012940.

Recording identifiers

ISRC
JPVI09012940
Title
即興曲 第1番 変イ長調 Op.29
Artist
Ewa Pobłocka
CopyrightID (CopyrightChains transaction hash)
0x625a9ae1119fe46b26d968320574efbc75b6d745363e22164922146ae08ad5fa

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09+00:00
Bitcoin block
956302
Canonical record hash
sha256:656579a475df379b6424185be1005dde030b9ac8f3f96ac7200c468e478ab947
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI09012940
Bitcoin block existence check
https://blockstream.info/api/block/956302

Full record

Track page: 即興曲 第1番 変イ長調 Op.29 · Machine-readable JSON-LD