ISRC QM6N21441046

Verified recording

QM6N21441046 is “Requiem: Marcia Funebre” by Heinrich Ignaz Franz von Biber, registered on the CopyrightChains blockchain with CopyrightID 0x460de5fb76dcd23894087e3f36a5140a08c160dde652a4a127e2a36e2a2179fe and independently timestamped in Bitcoin block 960291 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6N21441046.

Recording identifiers

ISRC
QM6N21441046
Title
Requiem: Marcia Funebre
Artist
Heinrich Ignaz Franz von Biber
CopyrightID (CopyrightChains transaction hash)
0x460de5fb76dcd23894087e3f36a5140a08c160dde652a4a127e2a36e2a2179fe

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T18:23:33+00:00
Bitcoin block
960291
Canonical record hash
sha256:09ebf19c45aade4f48d77647be8c99bc0527a631bf4f57dc89c53a45936a420d
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6N21441046
Bitcoin block existence check
https://blockstream.info/api/block/960291

Full record

Track page: Requiem: Marcia Funebre · Machine-readable JSON-LD