ISRC ES64E2300616
Verified recording
ES64E2300616 is “Once” by Diego Cruz y los Niños Viejos,
registered on the CopyrightChains blockchain with CopyrightID
0x1bafd7ecaed69f42c2d50932b0fa38d965d9670d21c0d0edebf1b133b2cce26a and independently timestamped
in Bitcoin block 960463 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES64E2300616.
Recording identifiers
- ISRC
- ES64E2300616
- Title
- Once
- Artist
- Diego Cruz y los Niños Viejos
- CopyrightID (CopyrightChains transaction hash)
0x1bafd7ecaed69f42c2d50932b0fa38d965d9670d21c0d0edebf1b133b2cce26a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T20:42:35+00:00
- Bitcoin block
- 960463
- Canonical record hash
sha256:717e118ac62bdaed20a44bbe55015f18f812a7ec95699d8be674587c2c69fe20- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES64E2300616
- Bitcoin block existence check
- https://blockstream.info/api/block/960463