ISRC JPCO02008240

Verified recording

JPCO02008240 is “行進曲《海の歌》” by レイフ・ヴォーン・ウィリアムズ, registered on the CopyrightChains blockchain with CopyrightID 0x8aa5979fa992b8eac6330433638c6cdbd451cad64eb95549a1d6137fb2c251e1 and independently timestamped in Bitcoin block 960273 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPCO02008240.

Recording identifiers

ISRC
JPCO02008240
Title
行進曲《海の歌》
Artist
レイフ・ヴォーン・ウィリアムズ
CopyrightID (CopyrightChains transaction hash)
0x8aa5979fa992b8eac6330433638c6cdbd451cad64eb95549a1d6137fb2c251e1

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T15:42:38+00:00
Bitcoin block
960273
Canonical record hash
sha256:62ae9170d4f909f93d9bb8b9e6246883eb3e2d16eba40f8b2cf865446a072e1e
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPCO02008240
Bitcoin block existence check
https://blockstream.info/api/block/960273

Full record

Track page: 行進曲《海の歌》 · Machine-readable JSON-LD