ISRC QMFMF1549133
Verified recording
QMFMF1549133 is “Contéstame” by Oscar D'León,
registered on the CopyrightChains blockchain with CopyrightID
0x83b0bb59ef38da4742ed7cb2a96a1591fbcff7a8ab45ffc8179ac304a5f6171e 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/QMFMF1549133.
Recording identifiers
- ISRC
- QMFMF1549133
- Title
- Contéstame
- Artist
- Oscar D'León
- CopyrightID (CopyrightChains transaction hash)
0x83b0bb59ef38da4742ed7cb2a96a1591fbcff7a8ab45ffc8179ac304a5f6171e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:7a32b22a7a44e68735d5a84e2874eeafcc5638d5a75ae06443897c1fb8fe6a96- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMF1549133
- Bitcoin block existence check
- https://blockstream.info/api/block/956304