ISRC GBLWD1703401
Verified recording
GBLWD1703401 is “Serenade in F Minor, Op. 3: I. Allegretto, quasi andantino” by Leó Weiner,
registered on the CopyrightChains blockchain with CopyrightID
0x72f2d2756e6b659ff4a21de779adf2560e0ea5c61369f54d8237bff444013036 and independently timestamped
in Bitcoin block 960481 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1703401.
Recording identifiers
- ISRC
- GBLWD1703401
- Title
- Serenade in F Minor, Op. 3: I. Allegretto, quasi andantino
- Artist
- Leó Weiner
- CopyrightID (CopyrightChains transaction hash)
0x72f2d2756e6b659ff4a21de779adf2560e0ea5c61369f54d8237bff444013036
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:51:35+00:00
- Bitcoin block
- 960481
- Canonical record hash
sha256:b470ddc3940d7cab506ecf9b907776bd72c12c25f63ed0a44c9cb21bc00b30f4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1703401
- Bitcoin block existence check
- https://blockstream.info/api/block/960481
Full record
Track page: Serenade in F Minor, Op. 3: I. Allegretto, quasi andantino · Machine-readable JSON-LD