ISRC GBPS81500637
Verified recording
GBPS81500637 is “Mar De Sueños” by Mark Barnwell,
registered on the CopyrightChains blockchain with CopyrightID
0xe1d1ec22bdc8a1f68b0de2dff5e1279511511e0e560ec85f73b73cb99374d091 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/GBPS81500637.
Recording identifiers
- ISRC
- GBPS81500637
- Title
- Mar De Sueños
- Artist
- Mark Barnwell
- CopyrightID (CopyrightChains transaction hash)
0xe1d1ec22bdc8a1f68b0de2dff5e1279511511e0e560ec85f73b73cb99374d091
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:a8e20992ace75df8656cf4eb3bb08d17b2b325fb0ba5a3c2dbc6e84a2331c064- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBPS81500637
- Bitcoin block existence check
- https://blockstream.info/api/block/957118