ISRC QM4TW1596090
Verified recording
QM4TW1596090 is “Obsesión” by Chavela Vargas,
registered on the CopyrightChains blockchain with CopyrightID
0x91ae2b91c632301bbedce5582d217ecb20046141634336768f5f5f82a48ac3a1 and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1596090.
Recording identifiers
- ISRC
- QM4TW1596090
- Title
- Obsesión
- Artist
- Chavela Vargas
- CopyrightID (CopyrightChains transaction hash)
0x91ae2b91c632301bbedce5582d217ecb20046141634336768f5f5f82a48ac3a1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:3cc628753f94a6db9c05ba3c209c443b8e9127b9b65022b87f5c8c74ec58daf6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1596090
- Bitcoin block existence check
- https://blockstream.info/api/block/960448