ISRC USBC10200427

Verified recording

USBC10200427 is “Requiem Mass in D Minor, K. 626: Introitus: Kyrie” by Wolfgang Amadeus Mozart, registered on the CopyrightChains blockchain with CopyrightID 0x0127bb77462c4e6b82280a7752a2ea3e7dc85d49d785d55a732706c083ad9ea1 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/USBC10200427.

Recording identifiers

ISRC
USBC10200427
Title
Requiem Mass in D Minor, K. 626: Introitus: Kyrie
Artist
Wolfgang Amadeus Mozart
CopyrightID (CopyrightChains transaction hash)
0x0127bb77462c4e6b82280a7752a2ea3e7dc85d49d785d55a732706c083ad9ea1

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19+00:00
Bitcoin block
957118
Canonical record hash
sha256:b6eb2b3878dbbdf291db36e6b43d4732e47397622fa741ba1599ad2941f1775e
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10200427
Bitcoin block existence check
https://blockstream.info/api/block/957118

Full record

Track page: Requiem Mass in D Minor, K. 626: Introitus: Kyrie · Machine-readable JSON-LD