ISRC USBC19400874
Verified recording
USBC19400874 is “Song Without Words for Cello and Piano in D Major, Op. 109” by Felix Mendelssohn,
registered on the CopyrightChains blockchain with CopyrightID
0x7b05bad14c49e32ce8f2f42b099213c12a54a1177df058c145eae3c77ed7904d and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19400874.
Recording identifiers
- ISRC
- USBC19400874
- Title
- Song Without Words for Cello and Piano in D Major, Op. 109
- Artist
- Felix Mendelssohn
- CopyrightID (CopyrightChains transaction hash)
0x7b05bad14c49e32ce8f2f42b099213c12a54a1177df058c145eae3c77ed7904d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:9278c1abcd273e3c79e38fe3f77845e54733ab6fd06f4ecb58f9ab25625c4bf0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19400874
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Song Without Words for Cello and Piano in D Major, Op. 109 · Machine-readable JSON-LD