ISRC QMDA61346449
Verified recording
QMDA61346449 is “Piano Concerto No. 1 in B-Flat Minor, Op. 23: II. Andantino semplice” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x43538287913764b166680800eac235523792e3bd9538b18a8f5d5a2171be75e5 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/QMDA61346449.
Recording identifiers
- ISRC
- QMDA61346449
- Title
- Piano Concerto No. 1 in B-Flat Minor, Op. 23: II. Andantino semplice
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x43538287913764b166680800eac235523792e3bd9538b18a8f5d5a2171be75e5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:6940793ed6af617cc18ca14d25ac1efb4598e1739bda9a1016334ebc7f13eb63- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA61346449
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Piano Concerto No. 1 in B-Flat Minor, Op. 23: II. Andantino semplice · Machine-readable JSON-LD