ISRC USSUB0400274
Verified recording
USSUB0400274 is “Blandest - Demo” by Nirvana,
registered on the CopyrightChains blockchain with CopyrightID
0x17238c03553153d9da5e3181afc528f0b269d34322fe84d1b26c2d777a114bb9 and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSUB0400274.
Recording identifiers
- ISRC
- USSUB0400274
- Title
- Blandest - Demo
- Artist
- Nirvana
- CopyrightID (CopyrightChains transaction hash)
0x17238c03553153d9da5e3181afc528f0b269d34322fe84d1b26c2d777a114bb9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:c3851c712fa81d87ecde1c9e2e93ae4ef84100d39894beb9f2d606fdd33bc63b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSUB0400274
- Bitcoin block existence check
- https://blockstream.info/api/block/953513