ISRC CAJ720961605
Verified recording
CAJ720961605 is “Lieder ohne Worte (Songs without Words), Book 3, Op. 38, MWV U 119: No. 18 in A flat major, Op. 38, No. 6, "Duetto"” by Felix Mendelssohn,
registered on the CopyrightChains blockchain with CopyrightID
0xf5d53c255df5e2382aca90cd8ba29121ec0845aed4c08989eb77aa8f20e61dce and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAJ720961605.
Recording identifiers
- ISRC
- CAJ720961605
- Title
- Lieder ohne Worte (Songs without Words), Book 3, Op. 38, MWV U 119: No. 18 in A flat major, Op. 38, No. 6, "Duetto"
- Artist
- Felix Mendelssohn
- CopyrightID (CopyrightChains transaction hash)
0xf5d53c255df5e2382aca90cd8ba29121ec0845aed4c08989eb77aa8f20e61dce
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:508943e8cafe0915f829f0c7287cdde6242c4bb58aa321985eb5a86d33f77d15- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAJ720961605
- Bitcoin block existence check
- https://blockstream.info/api/block/956889
Full record
Track page: Lieder ohne Worte (Songs without Words), Book 3, Op. 38, MWV U 119: No. 18 in A flat major, Op. 38, No. 6, "Duetto" · Machine-readable JSON-LD