ISRC QM4TX1777233

Verified recording

QM4TX1777233 is “Motet: Sustinuimus pacem à 4 v.” by Heinrich Isaac, registered on the CopyrightChains blockchain with CopyrightID 0xb890aeac8699dc9dcf46a217a6c731503166caf1886d6e3948082baade0d91ac and independently timestamped in Bitcoin block 960368 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX1777233.

Recording identifiers

ISRC
QM4TX1777233
Title
Motet: Sustinuimus pacem à 4 v.
Artist
Heinrich Isaac
CopyrightID (CopyrightChains transaction hash)
0xb890aeac8699dc9dcf46a217a6c731503166caf1886d6e3948082baade0d91ac

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T08:26:41+00:00
Bitcoin block
960368
Canonical record hash
sha256:f682197cd51bedb9b2cef6f23318787a3b6687778ddaeb8308190d4c18f7d2b4
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX1777233
Bitcoin block existence check
https://blockstream.info/api/block/960368

Full record

Track page: Motet: Sustinuimus pacem à 4 v. · Machine-readable JSON-LD