ISRC USUM71514601
Verified recording
USUM71514601 is “Rehash” by Kurt Cobain,
registered on the CopyrightChains blockchain with CopyrightID
0xcf3f13dfd76ae01e7037799fe0e6bcb876942ae0afbae0c0b48b687e332c1676 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/USUM71514601.
Recording identifiers
- ISRC
- USUM71514601
- Title
- Rehash
- Artist
- Kurt Cobain
- CopyrightID (CopyrightChains transaction hash)
0xcf3f13dfd76ae01e7037799fe0e6bcb876942ae0afbae0c0b48b687e332c1676
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:256c4c29c67ef082178e5b4c1ddb2e7347fb0a9b9b2a2a38354f04215426ad1a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71514601
- Bitcoin block existence check
- https://blockstream.info/api/block/953520