ISRC USGF19610511
Verified recording
USGF19610511 is “Heart-Shaped Box - Live In Los Angeles, CA, December 30, 1993” by Nirvana,
registered on the CopyrightChains blockchain with CopyrightID
0xdad3924f8a732f94920284741f31cf0b174db823dd8375d317c0768b39e5ca62 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/USGF19610511.
Recording identifiers
- ISRC
- USGF19610511
- Title
- Heart-Shaped Box - Live In Los Angeles, CA, December 30, 1993
- Artist
- Nirvana
- CopyrightID (CopyrightChains transaction hash)
0xdad3924f8a732f94920284741f31cf0b174db823dd8375d317c0768b39e5ca62
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:785815563f94520a3db74f773fb382f0437c6397ac0c21028e01022a53a34087- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USGF19610511
- Bitcoin block existence check
- https://blockstream.info/api/block/953515
Full record
Track page: Heart-Shaped Box - Live In Los Angeles, CA, December 30, 1993 · Machine-readable JSON-LD