ISRC CAAGN1687210
Verified recording
CAAGN1687210 is “Piano Concerto No. 5 in G Major, Op. 55: IV. Larghetto” by Sergei Prokofiev,
registered on the CopyrightChains blockchain with CopyrightID
0x0c0340293c0623ebf708b11c135be8b09e09a136f3b12d64e5b2e3f9c4920be8 and independently timestamped
in Bitcoin block 960389 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAAGN1687210.
Recording identifiers
- ISRC
- CAAGN1687210
- Title
- Piano Concerto No. 5 in G Major, Op. 55: IV. Larghetto
- Artist
- Sergei Prokofiev
- CopyrightID (CopyrightChains transaction hash)
0x0c0340293c0623ebf708b11c135be8b09e09a136f3b12d64e5b2e3f9c4920be8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T10:20:10+00:00
- Bitcoin block
- 960389
- Canonical record hash
sha256:5342d25daf90f484196c3a1acd919764a950683a02718f8d2347621f47ab92f0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAAGN1687210
- Bitcoin block existence check
- https://blockstream.info/api/block/960389
Full record
Track page: Piano Concerto No. 5 in G Major, Op. 55: IV. Larghetto · Machine-readable JSON-LD