ISRC QMFMF1458272
Verified recording
QMFMF1458272 is “De Vliegende Koe / Blue Boat” by Naragonia Quartet,
registered on the CopyrightChains blockchain with CopyrightID
0x3437ed5ecc8997da84079a51a5cc50cdb255e74f707feb34ad6b6e2bf1c53e52 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMF1458272.
Recording identifiers
- ISRC
- QMFMF1458272
- Title
- De Vliegende Koe / Blue Boat
- Artist
- Naragonia Quartet
- CopyrightID (CopyrightChains transaction hash)
0x3437ed5ecc8997da84079a51a5cc50cdb255e74f707feb34ad6b6e2bf1c53e52
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:b5a2078169bf464c4e270861d3b0c6895288e995b0e84824030d6b0eaf9659bc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMF1458272
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: De Vliegende Koe / Blue Boat · Machine-readable JSON-LD