ISRC QMFME1597928
Verified recording
QMFME1597928 is “Nostalgia” by Oscar D'León,
registered on the CopyrightChains blockchain with CopyrightID
0x5db986dc77486d6c5fc64b632c86eaca997e5cf926a5d5541d7dad616c4fa105 and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFME1597928.
Recording identifiers
- ISRC
- QMFME1597928
- Title
- Nostalgia
- Artist
- Oscar D'León
- CopyrightID (CopyrightChains transaction hash)
0x5db986dc77486d6c5fc64b632c86eaca997e5cf926a5d5541d7dad616c4fa105
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:e8784eb7b3c5ada6ff635f99d55316547308491463c439c27ae54fc9e2ffdd07- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFME1597928
- Bitcoin block existence check
- https://blockstream.info/api/block/960327