ISRC USBC19100366
Verified recording
USBC19100366 is “Requiem in D Minor, K. 626: Requiem KV 626: Introitus” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x46d61c8bf2be9d1bc54609f00563e5bbae06426ec87a483bb9fa036289820300 and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19100366.
Recording identifiers
- ISRC
- USBC19100366
- Title
- Requiem in D Minor, K. 626: Requiem KV 626: Introitus
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x46d61c8bf2be9d1bc54609f00563e5bbae06426ec87a483bb9fa036289820300
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:d341c0a8451a64358f9877e386e1dc71eef6aa95c5250f47e7c5741a2061e5d8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19100366
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: Requiem in D Minor, K. 626: Requiem KV 626: Introitus · Machine-readable JSON-LD