ISRC QZW9L2221463
Verified recording
QZW9L2221463 is “Todo o Nada” by El Otro Polo,
registered on the CopyrightChains blockchain with CopyrightID
0x866bd21abcf5748ee892ceb8924b8f6257963dfd25806f424b9baea9df69c4a0 and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZW9L2221463.
Recording identifiers
- ISRC
- QZW9L2221463
- Title
- Todo o Nada
- Artist
- El Otro Polo
- CopyrightID (CopyrightChains transaction hash)
0x866bd21abcf5748ee892ceb8924b8f6257963dfd25806f424b9baea9df69c4a0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:5ee81455da042fe6388dace53decef01d60f0b9a471f3aef72a79e6832fc15a8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZW9L2221463
- Bitcoin block existence check
- https://blockstream.info/api/block/960144