ISRC USL4R1819893
Verified recording
USL4R1819893 is “When I Write” by Josiah Williams,
registered on the CopyrightChains blockchain with CopyrightID
0x95e16b50c1b31dc2929368b986b12b454ed435ebe736a87a7a9ce32524bee3f6 and independently timestamped
in Bitcoin block 960223 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4R1819893.
Recording identifiers
- ISRC
- USL4R1819893
- Title
- When I Write
- Artist
- Josiah Williams
- CopyrightID (CopyrightChains transaction hash)
0x95e16b50c1b31dc2929368b986b12b454ed435ebe736a87a7a9ce32524bee3f6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:51:46+00:00
- Bitcoin block
- 960223
- Canonical record hash
sha256:28b84d793b8d31273cf0a6300258c941b274572d6751e7355611e55848ec1bab- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4R1819893
- Bitcoin block existence check
- https://blockstream.info/api/block/960223