ISRC USSUB0400285
Verified recording
USSUB0400285 is “Sliver - Solo Acoustic Demo” by Nirvana,
registered on the CopyrightChains blockchain with CopyrightID
0x760cdfe3dcdd829632065deafc0b50d41ca1dd84e1a9a25c269c08484f989250 and independently timestamped
in Bitcoin block 953515 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSUB0400285.
Recording identifiers
- ISRC
- USSUB0400285
- Title
- Sliver - Solo Acoustic Demo
- Artist
- Nirvana
- CopyrightID (CopyrightChains transaction hash)
0x760cdfe3dcdd829632065deafc0b50d41ca1dd84e1a9a25c269c08484f989250
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:249486268ce7f73792d44107ccb43371d4f9baa6495b5870efbe0cdb1e62a8f3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSUB0400285
- Bitcoin block existence check
- https://blockstream.info/api/block/953515
Full record
Track page: Sliver - Solo Acoustic Demo · Machine-readable JSON-LD