ISRC GBAYC9901391
Verified recording
GBAYC9901391 is “Mozart: Flute Quartet No. 4 in A Major, K. 298: I. (d) Variation III” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x71a7640bf5c4a503dfba2bee7628ec9b80e8688f36742bd48e2ccea6b214309a and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9901391.
Recording identifiers
- ISRC
- GBAYC9901391
- Title
- Mozart: Flute Quartet No. 4 in A Major, K. 298: I. (d) Variation III
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x71a7640bf5c4a503dfba2bee7628ec9b80e8688f36742bd48e2ccea6b214309a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:f477ad4c990edc58350be89c08d1c52d7781a8be6939ceb78549941cff10b955- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9901391
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Mozart: Flute Quartet No. 4 in A Major, K. 298: I. (d) Variation III · Machine-readable JSON-LD