ISRC PT4BU1600014
Verified recording
PT4BU1600014 is “Último Poema” by Ricardo Ribeiro,
registered on the CopyrightChains blockchain with CopyrightID
0x8a47c3c35dce4b2fc56b1e1ce7045bbb59268969241b08d6dcb8b74a6fd5d086 and independently timestamped
in Bitcoin block 960489 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PT4BU1600014.
Recording identifiers
- ISRC
- PT4BU1600014
- Title
- Último Poema
- Artist
- Ricardo Ribeiro
- CopyrightID (CopyrightChains transaction hash)
0x8a47c3c35dce4b2fc56b1e1ce7045bbb59268969241b08d6dcb8b74a6fd5d086
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T00:40:43+00:00
- Bitcoin block
- 960489
- Canonical record hash
sha256:15b5d542148aed405275407e12bc1e8b03c21f56a77cc59968a28424a4f41b8e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PT4BU1600014
- Bitcoin block existence check
- https://blockstream.info/api/block/960489