ISRC ES5931000349
Verified recording
ES5931000349 is “María la Portuguesa” by Cecilio,
registered on the CopyrightChains blockchain with CopyrightID
0xa7e38d12aa769085ccbb2f59b003a7b47db36e53eb7eae519b6f20809b0031db and independently timestamped
in Bitcoin block 960250 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5931000349.
Recording identifiers
- ISRC
- ES5931000349
- Title
- María la Portuguesa
- Artist
- Cecilio
- CopyrightID (CopyrightChains transaction hash)
0xa7e38d12aa769085ccbb2f59b003a7b47db36e53eb7eae519b6f20809b0031db
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T11:13:28+00:00
- Bitcoin block
- 960250
- Canonical record hash
sha256:c8189618790fc8603a6c9510ead5931c33497da0529107ff5d9b99cfe18ef354- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5931000349
- Bitcoin block existence check
- https://blockstream.info/api/block/960250