ISRC QM42K1976203
Verified recording
QM42K1976203 is “Diary” by yutaka hirasaka,
registered on the CopyrightChains blockchain with CopyrightID
0x833271b05d56171d61ef4747defbe64b8a4e9d8fba462d2e29371795ad4628df and independently timestamped
in Bitcoin block 960291 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM42K1976203.
Recording identifiers
- ISRC
- QM42K1976203
- Title
- Diary
- Artist
- yutaka hirasaka
- CopyrightID (CopyrightChains transaction hash)
0x833271b05d56171d61ef4747defbe64b8a4e9d8fba462d2e29371795ad4628df
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T18:23:33+00:00
- Bitcoin block
- 960291
- Canonical record hash
sha256:492e1d5bc8cd082f27d5bbc3626b14b549b2572771c362c1e81f729de7f63a19- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM42K1976203
- Bitcoin block existence check
- https://blockstream.info/api/block/960291