ISRC QM4TW1660221
Verified recording
QM4TW1660221 is “Cordobesita” by Osvaldo Fresedo y su orquesta,
registered on the CopyrightChains blockchain with CopyrightID
0xae240f7f461e997bb7fb4c106c837c78143581b0fad3b25ef6ea3a30363366d8 and independently timestamped
in Bitcoin block 960468 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1660221.
Recording identifiers
- ISRC
- QM4TW1660221
- Title
- Cordobesita
- Artist
- Osvaldo Fresedo y su orquesta
- CopyrightID (CopyrightChains transaction hash)
0xae240f7f461e997bb7fb4c106c837c78143581b0fad3b25ef6ea3a30363366d8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T21:25:57+00:00
- Bitcoin block
- 960468
- Canonical record hash
sha256:5f7feadd7da48feb2ba12b25821e664a00afd2008938a17e8afc756cd6bb8aed- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1660221
- Bitcoin block existence check
- https://blockstream.info/api/block/960468