ISRC USGF19960703
Verified recording
USGF19960703 is “Heart-Shaped Box” by Nirvana,
registered on the CopyrightChains blockchain with CopyrightID
0x14edb330bb481ccbe5bfcb89d02ceebc2db1878e6c6116d0f7089721d4f1a838 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/USGF19960703.
Recording identifiers
- ISRC
- USGF19960703
- Title
- Heart-Shaped Box
- Artist
- Nirvana
- CopyrightID (CopyrightChains transaction hash)
0x14edb330bb481ccbe5bfcb89d02ceebc2db1878e6c6116d0f7089721d4f1a838
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:be5d17bf8eb405997826d911661fd810ea9b9aa776fd2b00be3a9b7fdf3d3b46- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USGF19960703
- Bitcoin block existence check
- https://blockstream.info/api/block/953513