ISRC JP92Q2400208
Verified recording
JP92Q2400208 is “Once Upon a Time (feat. 初音ミク)” by monaca:factory,
registered on the CopyrightChains blockchain with CopyrightID
0x791492c8951798bfb351dabf7eb233974000de63ef2d711440bb4d502ba98b3d 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/JP92Q2400208.
Recording identifiers
- ISRC
- JP92Q2400208
- Title
- Once Upon a Time (feat. 初音ミク)
- Artist
- monaca:factory
- CopyrightID (CopyrightChains transaction hash)
0x791492c8951798bfb351dabf7eb233974000de63ef2d711440bb4d502ba98b3d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:56c534b3d0f56a6cdc6b642be9619523e81c71038bc3345bec1b0a71a466bbf7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JP92Q2400208
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Once Upon a Time (feat. 初音ミク) · Machine-readable JSON-LD