ISRC ES31E2305969
Verified recording
ES31E2305969 is “Nine Below Zero” by Sonny Boy Williamson II,
registered on the CopyrightChains blockchain with CopyrightID
0xdddc7f70bd315e761b2c97c41c60da9f69abd33a77c4788d92e2514049333838 and independently timestamped
in Bitcoin block 957025 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES31E2305969.
Recording identifiers
- ISRC
- ES31E2305969
- Title
- Nine Below Zero
- Artist
- Sonny Boy Williamson II
- CopyrightID (CopyrightChains transaction hash)
0xdddc7f70bd315e761b2c97c41c60da9f69abd33a77c4788d92e2514049333838
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T10:59:31+00:00
- Bitcoin block
- 957025
- Canonical record hash
sha256:a577f15d2c885439162d34e1bc4293b5a76d243dd618a39e108e00e898ec0d60- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES31E2305969
- Bitcoin block existence check
- https://blockstream.info/api/block/957025