ISRC USA8Y1200113
Verified recording
USA8Y1200113 is “Sweet Bitterness (Nujabes Tribute)” by Reki,
registered on the CopyrightChains blockchain with CopyrightID
0x23c1936750dc4c0e321b1488656fd36cb635c1475f2b61c2901a6f2cb525cf6a and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA8Y1200113.
Recording identifiers
- ISRC
- USA8Y1200113
- Title
- Sweet Bitterness (Nujabes Tribute)
- Artist
- Reki
- CopyrightID (CopyrightChains transaction hash)
0x23c1936750dc4c0e321b1488656fd36cb635c1475f2b61c2901a6f2cb525cf6a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:39603f3c1847f39eee125879282e0671b1f91cb3b36af8b134cfc90eefbade15- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA8Y1200113
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Sweet Bitterness (Nujabes Tribute) · Machine-readable JSON-LD