ISRC USGF19942506
Verified recording
USGF19942506 is “Polly” by Nirvana,
registered on the CopyrightChains blockchain with CopyrightID
0x42f2ec5795109329e715ba14941c08259742c492279e71dbeba13e276f0f54f8 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/USGF19942506.
Recording identifiers
- ISRC
- USGF19942506
- Title
- Polly
- Artist
- Nirvana
- CopyrightID (CopyrightChains transaction hash)
0x42f2ec5795109329e715ba14941c08259742c492279e71dbeba13e276f0f54f8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:6d18fdb98307c05d1b63b5b40eae1670785860803bde82c136e775c774c13090- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USGF19942506
- Bitcoin block existence check
- https://blockstream.info/api/block/953513