ISRC GBCFB1700580
Verified recording
GBCFB1700580 is “Last Day” by Patrick Holland,
registered on the CopyrightChains blockchain with CopyrightID
0xc9b3de00061d923df91be652f468507f9343be149415f84bd8229b04464f975c and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCFB1700580.
Recording identifiers
- ISRC
- GBCFB1700580
- Title
- Last Day
- Artist
- Patrick Holland
- CopyrightID (CopyrightChains transaction hash)
0xc9b3de00061d923df91be652f468507f9343be149415f84bd8229b04464f975c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:c0880eab5fbd36694c8f7bf2a016c9bb5a885ea9dab75e9e2e4ffb86019fe817- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBCFB1700580
- Bitcoin block existence check
- https://blockstream.info/api/block/953520