ISRC ES50A1900221
Verified recording
ES50A1900221 is “Sayonara” by Lester,
registered on the CopyrightChains blockchain with CopyrightID
0xe8314f07984e13afd821bd27d75065e0125324718be190fc0e0e48ed84cfe6d1 and independently timestamped
in Bitcoin block 960108 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES50A1900221.
Recording identifiers
- ISRC
- ES50A1900221
- Title
- Sayonara
- Artist
- Lester
- CopyrightID (CopyrightChains transaction hash)
0xe8314f07984e13afd821bd27d75065e0125324718be190fc0e0e48ed84cfe6d1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T13:09:35+00:00
- Bitcoin block
- 960108
- Canonical record hash
sha256:46740d93a3b472373c9c734b37d4949b937ad818df4c13c3810230b48f77ef2d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES50A1900221
- Bitcoin block existence check
- https://blockstream.info/api/block/960108