ISRC ESA031504108
Verified recording
ESA031504108 is “Que difícil” by AlQuadrat,
registered on the CopyrightChains blockchain with CopyrightID
0x6f805fdd8dca19f5b35f3cc6e9bfd91247fddee2e5913b8ca47fbcff2f200867 and independently timestamped
in Bitcoin block 960277 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA031504108.
Recording identifiers
- ISRC
- ESA031504108
- Title
- Que difícil
- Artist
- AlQuadrat
- CopyrightID (CopyrightChains transaction hash)
0x6f805fdd8dca19f5b35f3cc6e9bfd91247fddee2e5913b8ca47fbcff2f200867
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T16:10:47+00:00
- Bitcoin block
- 960277
- Canonical record hash
sha256:fa204ab42378a97547ba3de6a5b4b2c9eb40097fa2e8257cfd612319011c39a3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA031504108
- Bitcoin block existence check
- https://blockstream.info/api/block/960277