ISRC ES71G2409654
Verified recording
ES71G2409654 is “21 gramas” by João Tamura,
registered on the CopyrightChains blockchain with CopyrightID
0x151fb32097c3086f0b1a31cedd2fd6225374efef41bcc633ed9ec608da44986f and independently timestamped
in Bitcoin block 957122 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2409654.
Recording identifiers
- ISRC
- ES71G2409654
- Title
- 21 gramas
- Artist
- João Tamura
- CopyrightID (CopyrightChains transaction hash)
0x151fb32097c3086f0b1a31cedd2fd6225374efef41bcc633ed9ec608da44986f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:39:04+00:00
- Bitcoin block
- 957122
- Canonical record hash
sha256:8a0394735bd54ca75db86efbfe872a779b59be611d11e87dd35eedda8a3ac031- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2409654
- Bitcoin block existence check
- https://blockstream.info/api/block/957122