ISRC JPF311100059

Verified recording

JPF311100059 is “どんぐりころころin Jazz” by Tadashi Yanada, registered on the CopyrightChains blockchain with CopyrightID 0xd1e6cd8ac87d69774d466560d2b4b33f0176af24ec841f6631092da9f18bd3c5 and independently timestamped in Bitcoin block 960403 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPF311100059.

Recording identifiers

ISRC
JPF311100059
Title
どんぐりころころin Jazz
Artist
Tadashi Yanada
CopyrightID (CopyrightChains transaction hash)
0xd1e6cd8ac87d69774d466560d2b4b33f0176af24ec841f6631092da9f18bd3c5

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T13:04:34+00:00
Bitcoin block
960403
Canonical record hash
sha256:c46e30dc2e71fb909242bcba43992d1589deac26da2d96dd2ba756ac36afe574
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPF311100059
Bitcoin block existence check
https://blockstream.info/api/block/960403

Full record

Track page: どんぐりころころin Jazz · Machine-readable JSON-LD