ISRC USER81100103
Verified recording
USER81100103 is “Posters” by Jack Johnson,
registered on the CopyrightChains blockchain with CopyrightID
0x0b5b3523d8404c51b22f25de9a90821b579fd478f1e7bdc0c7107134a9b7c46b and independently timestamped
in Bitcoin block 953515 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USER81100103.
Recording identifiers
- ISRC
- USER81100103
- Title
- Posters
- Artist
- Jack Johnson
- CopyrightID (CopyrightChains transaction hash)
0x0b5b3523d8404c51b22f25de9a90821b579fd478f1e7bdc0c7107134a9b7c46b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:abaf02a2e18395780a89463518a4db5a2f147d4fae2219c81d12c94648255016- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USER81100103
- Bitcoin block existence check
- https://blockstream.info/api/block/953515