ISRC USV351468305
Verified recording
USV351468305 is “21 Grams” by Tumsa,
registered on the CopyrightChains blockchain with CopyrightID
0x941b5e3a0f2fcd9d2a75f4ea41b2b049389e0b074662568b2b17e0720cc75cc7 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USV351468305.
Recording identifiers
- ISRC
- USV351468305
- Title
- 21 Grams
- Artist
- Tumsa
- CopyrightID (CopyrightChains transaction hash)
0x941b5e3a0f2fcd9d2a75f4ea41b2b049389e0b074662568b2b17e0720cc75cc7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:53cebab1882085f46eac3dda52d0e9f146a91b81dbf6c37ac93160af8027cc85- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USV351468305
- Bitcoin block existence check
- https://blockstream.info/api/block/957118