ISRC USUM72303709
Verified recording
USUM72303709 is “Radio Friendly Unit Shifter - Live In Seattle, Seattle Center Arena - January 7, 1994” by Nirvana,
registered on the CopyrightChains blockchain with CopyrightID
0xc423a01db1e42e1950872f98f844112bff15356913075f63e7c8ccc5f3ab6869 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72303709.
Recording identifiers
- ISRC
- USUM72303709
- Title
- Radio Friendly Unit Shifter - Live In Seattle, Seattle Center Arena - January 7, 1994
- Artist
- Nirvana
- CopyrightID (CopyrightChains transaction hash)
0xc423a01db1e42e1950872f98f844112bff15356913075f63e7c8ccc5f3ab6869
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:000e22e764104f2b38083c42e0b73d1aeeca0b69e65d8e19d11a571e34d703a6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72303709
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Radio Friendly Unit Shifter - Live In Seattle, Seattle Center Arena - January 7, 1994 · Machine-readable JSON-LD