ISRC USBC19100131
Verified recording
USBC19100131 is “14 Songs, Op. 34: No. 14, Vocalise” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0x5257e0cd0d26b72e7aa5163aa73557561d42466ea6d88319573665bdfd385a8d and independently timestamped
in Bitcoin block 960494 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19100131.
Recording identifiers
- ISRC
- USBC19100131
- Title
- 14 Songs, Op. 34: No. 14, Vocalise
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0x5257e0cd0d26b72e7aa5163aa73557561d42466ea6d88319573665bdfd385a8d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T01:44:32+00:00
- Bitcoin block
- 960494
- Canonical record hash
sha256:2c4d6d1d6cb5b7e5c9b85948bbc8fdbbbc8c3d5ea9d776277786b5608d46fb55- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19100131
- Bitcoin block existence check
- https://blockstream.info/api/block/960494
Full record
Track page: 14 Songs, Op. 34: No. 14, Vocalise · Machine-readable JSON-LD