ISRC ES31E2305971
Verified recording
ES31E2305971 is “Keep It to Yourself” by Sonny Boy Williamson II,
registered on the CopyrightChains blockchain with CopyrightID
0x7a02ea225db03973eeaf91a5ddc1f3d8f576e75f9837e3d6416e5e996c9b3e00 and independently timestamped
in Bitcoin block 960155 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES31E2305971.
Recording identifiers
- ISRC
- ES31E2305971
- Title
- Keep It to Yourself
- Artist
- Sonny Boy Williamson II
- CopyrightID (CopyrightChains transaction hash)
0x7a02ea225db03973eeaf91a5ddc1f3d8f576e75f9837e3d6416e5e996c9b3e00
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T22:13:32+00:00
- Bitcoin block
- 960155
- Canonical record hash
sha256:b418a5699441cb9af61c2a312fd0d52b4109794a84e7ee1db816cd56861c845d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES31E2305971
- Bitcoin block existence check
- https://blockstream.info/api/block/960155