ISRC FR9W12005031
Verified recording
FR9W12005031 is “Trio Sonata No. 2 in B-Flat Major, Op. 4: III. Largo. Cantabile” by Jean-Marie Leclair,
registered on the CopyrightChains blockchain with CopyrightID
0x7f78553ce65b824d85af5bcd988ecf979aa7486b75774509f7e584816281669c and independently timestamped
in Bitcoin block 957122 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12005031.
Recording identifiers
- ISRC
- FR9W12005031
- Title
- Trio Sonata No. 2 in B-Flat Major, Op. 4: III. Largo. Cantabile
- Artist
- Jean-Marie Leclair
- CopyrightID (CopyrightChains transaction hash)
0x7f78553ce65b824d85af5bcd988ecf979aa7486b75774509f7e584816281669c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:39:04+00:00
- Bitcoin block
- 957122
- Canonical record hash
sha256:71623eec6d4a924ce87a398b81629268fdb19066acc625be499b318dc8a9c4e8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12005031
- Bitcoin block existence check
- https://blockstream.info/api/block/957122
Full record
Track page: Trio Sonata No. 2 in B-Flat Major, Op. 4: III. Largo. Cantabile · Machine-readable JSON-LD