ISRC FRS677700002
Verified recording
FRS677700002 is “Quatuor No. 1 en ré majeur, K. 285: II. Adagio” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xf5de40984856d8e875e62c166a5960fe22bb2d9af7d609943368d939bb1b20d3 and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRS677700002.
Recording identifiers
- ISRC
- FRS677700002
- Title
- Quatuor No. 1 en ré majeur, K. 285: II. Adagio
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xf5de40984856d8e875e62c166a5960fe22bb2d9af7d609943368d939bb1b20d3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:a284f8c47da0fa34cc0bd7fc7b1ce625caecfc7dca35079c4645819e215307ee- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRS677700002
- Bitcoin block existence check
- https://blockstream.info/api/block/960418
Full record
Track page: Quatuor No. 1 en ré majeur, K. 285: II. Adagio · Machine-readable JSON-LD