ISRC GBSMU2812645
Verified recording
GBSMU2812645 is “Piano Sonata in C Minor - No. I” by Carlos Marquez,
registered on the CopyrightChains blockchain with CopyrightID
0x447b568737fedc955b655c322c831d148861889c5d8e2b80bdb62c867b39c84e and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU2812645.
Recording identifiers
- ISRC
- GBSMU2812645
- Title
- Piano Sonata in C Minor - No. I
- Artist
- Carlos Marquez
- CopyrightID (CopyrightChains transaction hash)
0x447b568737fedc955b655c322c831d148861889c5d8e2b80bdb62c867b39c84e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:fad91cc81065ebcea9c4923d23947d92ac7f3b5356f899a55e6a39fce8e31042- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU2812645
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Piano Sonata in C Minor - No. I · Machine-readable JSON-LD