ISRC USL4R1914297
Verified recording
USL4R1914297 is “Témpera” by K4,
registered on the CopyrightChains blockchain with CopyrightID
0x2176d2e419fd847c592d6d5fe1fe97d4fd2123757dfe4f5f532c500d6cf0ec78 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/USL4R1914297.
Recording identifiers
- ISRC
- USL4R1914297
- Title
- Témpera
- Artist
- K4
- CopyrightID (CopyrightChains transaction hash)
0x2176d2e419fd847c592d6d5fe1fe97d4fd2123757dfe4f5f532c500d6cf0ec78
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:1bf8de1f482b9254710cd1d375e53992db366a35257228b630c463e8fcfbcb1b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4R1914297
- Bitcoin block existence check
- https://blockstream.info/api/block/953520