ISRC DEZZ52171395
Verified recording
DEZZ52171395 is “El Once” by Osvaldo Fresedo,
registered on the CopyrightChains blockchain with CopyrightID
0x689720ba4265dc8de398b4245ba7f83c66e766f95b02e171a418e303095769b8 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEZZ52171395.
Recording identifiers
- ISRC
- DEZZ52171395
- Title
- El Once
- Artist
- Osvaldo Fresedo
- CopyrightID (CopyrightChains transaction hash)
0x689720ba4265dc8de398b4245ba7f83c66e766f95b02e171a418e303095769b8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:f7eecdc2548a5431b19a4093ef7e2f934ecdc68aace639c3dfdc5a7aeb0fd346- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEZZ52171395
- Bitcoin block existence check
- https://blockstream.info/api/block/956304