ISRC CA5KR2299943
Verified recording
CA5KR2299943 is “Us Against Them” by Yb Puerto Rico,
registered on the CopyrightChains blockchain with CopyrightID
0x8df4a4c296580193cc8c5d657fcc8b80e8d69852b675659ea03f5028f7c5bac9 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA5KR2299943.
Recording identifiers
- ISRC
- CA5KR2299943
- Title
- Us Against Them
- Artist
- Yb Puerto Rico
- CopyrightID (CopyrightChains transaction hash)
0x8df4a4c296580193cc8c5d657fcc8b80e8d69852b675659ea03f5028f7c5bac9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:a92c9f17ff37840d04eb9516f24960714aabb8f76a40a1259409ebb18a04ba22- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA5KR2299943
- Bitcoin block existence check
- https://blockstream.info/api/block/956304