ISRC USGF19942505
Verified recording
USGF19942505 is “Lithium” by Nirvana,
registered on the CopyrightChains blockchain with CopyrightID
0x2ace9f1b3ecfa1c3f75ec27fce77042fbd263548fcfc4e64bf14aa10f9d8aa97 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/USGF19942505.
Recording identifiers
- ISRC
- USGF19942505
- Title
- Lithium
- Artist
- Nirvana
- CopyrightID (CopyrightChains transaction hash)
0x2ace9f1b3ecfa1c3f75ec27fce77042fbd263548fcfc4e64bf14aa10f9d8aa97
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:829f4178a1bb0d35ac5ab2d2075d3e877aefad7bb671318b167ad41e23cb9f80- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USGF19942505
- Bitcoin block existence check
- https://blockstream.info/api/block/953513