ISRC QM4TX1777244
Verified recording
QM4TX1777244 is “Motet (Contrafactum de Virgo prudentissima): Christus, filius Dei à 6 v.” by Heinrich Isaac,
registered on the CopyrightChains blockchain with CopyrightID
0x50eab08a9297d269ed2a80fda0926d55ca50ada4689e23196f0c45078a8956a2 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX1777244.
Recording identifiers
- ISRC
- QM4TX1777244
- Title
- Motet (Contrafactum de Virgo prudentissima): Christus, filius Dei à 6 v.
- Artist
- Heinrich Isaac
- CopyrightID (CopyrightChains transaction hash)
0x50eab08a9297d269ed2a80fda0926d55ca50ada4689e23196f0c45078a8956a2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:e5029331a17fc8dc50cb14119f6a75b168030b75b805a68b2bcc208a483f466c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX1777244
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Motet (Contrafactum de Virgo prudentissima): Christus, filius Dei à 6 v. · Machine-readable JSON-LD