ISRC USSM18300318
Verified recording
USSM18300318 is “String Quintet in C Major, D. 956, Op. 163: IV. Allegretto” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0xd08c8b68cc9b39a65ceda8ec521060fb761b6f5100cd13a02b20283ed071afc9 and independently timestamped
in Bitcoin block 957061 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM18300318.
Recording identifiers
- ISRC
- USSM18300318
- Title
- String Quintet in C Major, D. 956, Op. 163: IV. Allegretto
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0xd08c8b68cc9b39a65ceda8ec521060fb761b6f5100cd13a02b20283ed071afc9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T16:07:00+00:00
- Bitcoin block
- 957061
- Canonical record hash
sha256:4b63920b6f948a4175651b4d08dbbbe1866db9f75f984d09e6b95f89f6943abf- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM18300318
- Bitcoin block existence check
- https://blockstream.info/api/block/957061
Full record
Track page: String Quintet in C Major, D. 956, Op. 163: IV. Allegretto · Machine-readable JSON-LD