ISRC JPU971912074

Verified recording

JPU971912074 is “いつまでも【混三】” by 若松歓, registered on the CopyrightChains blockchain with CopyrightID 0xe1a00c0679f650908be61d5d4d0a8eea6702eb332ed5305b1d14439702ea6dd2 and independently timestamped in Bitcoin block 956304 on 2026-07-02. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPU971912074.

Recording identifiers

ISRC
JPU971912074
Title
いつまでも【混三】
Artist
若松歓
CopyrightID (CopyrightChains transaction hash)
0xe1a00c0679f650908be61d5d4d0a8eea6702eb332ed5305b1d14439702ea6dd2

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08+00:00
Bitcoin block
956304
Canonical record hash
sha256:4451da0b6d4ac696bc9958838d4179cacc9595e98a1e27ee4472c3c0eb23ad0f
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPU971912074
Bitcoin block existence check
https://blockstream.info/api/block/956304

Full record

Track page: いつまでも【混三】 · Machine-readable JSON-LD