ISRC CA5KR0009129
Verified recording
CA5KR0009129 is “Poor Boy” by Tomas Bisquierra,
registered on the CopyrightChains blockchain with CopyrightID
0x9a3fef44e21f3b88f1bfd122875d75ec3dfedb38b87c7eee503a52ed9eff9c27 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/CA5KR0009129.
Recording identifiers
- ISRC
- CA5KR0009129
- Title
- Poor Boy
- Artist
- Tomas Bisquierra
- CopyrightID (CopyrightChains transaction hash)
0x9a3fef44e21f3b88f1bfd122875d75ec3dfedb38b87c7eee503a52ed9eff9c27
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:e3accaeaf10a6c2666f3992e0c022a0db86967c6491d8c957aeddc48b795143a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA5KR0009129
- Bitcoin block existence check
- https://blockstream.info/api/block/957118