ISRC USC4R1702076
Verified recording
USC4R1702076 is “Slack Jaw” by Sylvan Esso,
registered on the CopyrightChains blockchain with CopyrightID
0x81f83f2fda3cc4053da2c74fe5bfb7b23c1b8d38163de3be154b04b46d46122a and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USC4R1702076.
Recording identifiers
- ISRC
- USC4R1702076
- Title
- Slack Jaw
- Artist
- Sylvan Esso
- CopyrightID (CopyrightChains transaction hash)
0x81f83f2fda3cc4053da2c74fe5bfb7b23c1b8d38163de3be154b04b46d46122a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:a071e57d729ce18d43ef1d4e953125825cf7bda09dfeea06a31ad60c664b4844- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USC4R1702076
- Bitcoin block existence check
- https://blockstream.info/api/block/953513