ISRC PTPK11500023
Verified recording
PTPK11500023 is “Refrão-Canção” by They're Heading West,
registered on the CopyrightChains blockchain with CopyrightID
0x99f0cc1209a0c3864342899680115ec4c2b3bc6b217ddb23d19b8e6d5e3fc678 and independently timestamped
in Bitcoin block 960456 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTPK11500023.
Recording identifiers
- ISRC
- PTPK11500023
- Title
- Refrão-Canção
- Artist
- They're Heading West
- CopyrightID (CopyrightChains transaction hash)
0x99f0cc1209a0c3864342899680115ec4c2b3bc6b217ddb23d19b8e6d5e3fc678
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:57+00:00
- Bitcoin block
- 960456
- Canonical record hash
sha256:9cbf86a65850633995a8a79037ebb213114743acec9177e90e2dcc51400c82dd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PTPK11500023
- Bitcoin block existence check
- https://blockstream.info/api/block/960456