ISRC JPCO01928840

Verified recording

JPCO01928840 is “逢坂裕:ソプラノサクソフォンとピアノのためのソナタ エクスタシス - 世界初録音” by 逢坂 裕, registered on the CopyrightChains blockchain with CopyrightID 0x61576f6463ab79a6049b4e49e58a041b3899ff7b4643ff29c374f56f43e116cc and independently timestamped in Bitcoin block 960145 on 2026-07-29. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPCO01928840.

Recording identifiers

ISRC
JPCO01928840
Title
逢坂裕:ソプラノサクソフォンとピアノのためのソナタ エクスタシス - 世界初録音
Artist
逢坂 裕
CopyrightID (CopyrightChains transaction hash)
0x61576f6463ab79a6049b4e49e58a041b3899ff7b4643ff29c374f56f43e116cc

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-29T21:13:37+00:00
Bitcoin block
960145
Canonical record hash
sha256:a2c337f5238caa50b5c8a17f6e08815fd2b24a3d15a13971a47f9085049c5ab9
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPCO01928840
Bitcoin block existence check
https://blockstream.info/api/block/960145

Full record

Track page: 逢坂裕:ソプラノサクソフォンとピアノのためのソナタ エクスタシス - 世界初録音 · Machine-readable JSON-LD