ISRC GBAYC9803364
Verified recording
GBAYC9803364 is “Mass No. 19 in D minor K626, 'Requiem': Requiem aeternam” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x30098ea3a18f76485938a78226a897b35c0a05a35da85eaf0f07251de6517370 and independently timestamped
in Bitcoin block 960354 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9803364.
Recording identifiers
- ISRC
- GBAYC9803364
- Title
- Mass No. 19 in D minor K626, 'Requiem': Requiem aeternam
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x30098ea3a18f76485938a78226a897b35c0a05a35da85eaf0f07251de6517370
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:48:18+00:00
- Bitcoin block
- 960354
- Canonical record hash
sha256:508133d65ab53d905d33ea865aa376f44a83209b87dc7eefebe946a74d1ce612- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9803364
- Bitcoin block existence check
- https://blockstream.info/api/block/960354
Full record
Track page: Mass No. 19 in D minor K626, 'Requiem': Requiem aeternam · Machine-readable JSON-LD