ISRC QZTB22205089
Verified recording
QZTB22205089 is “Sentimental” by Kosei,
registered on the CopyrightChains blockchain with CopyrightID
0x20f34dddd97f34ac10186dae5d9a8d477c4cd7f4ef12dc9c7e061ab51826d13a and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB22205089.
Recording identifiers
- ISRC
- QZTB22205089
- Title
- Sentimental
- Artist
- Kosei
- CopyrightID (CopyrightChains transaction hash)
0x20f34dddd97f34ac10186dae5d9a8d477c4cd7f4ef12dc9c7e061ab51826d13a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:9fc5ab9add7bcaf2d74b3307bee445322fa35a78386b24b3187718153a3302ea- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB22205089
- Bitcoin block existence check
- https://blockstream.info/api/block/956302