ISRC US6R21495273
Verified recording
US6R21495273 is “Piano Concerto No. 1 in F-Sharp Minor, Op. 1: II. Andante cantabile” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0x31daca9b31cca54c6635e0d57c7c6cb0d058b74ebdf5a0d974c7f9eb410ade05 and independently timestamped
in Bitcoin block 960468 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US6R21495273.
Recording identifiers
- ISRC
- US6R21495273
- Title
- Piano Concerto No. 1 in F-Sharp Minor, Op. 1: II. Andante cantabile
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0x31daca9b31cca54c6635e0d57c7c6cb0d058b74ebdf5a0d974c7f9eb410ade05
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T21:25:57+00:00
- Bitcoin block
- 960468
- Canonical record hash
sha256:53c26143c3fbca55c1d4adc14718cbe5ba23486bfaba3516abe674a776dd25b0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US6R21495273
- Bitcoin block existence check
- https://blockstream.info/api/block/960468
Full record
Track page: Piano Concerto No. 1 in F-Sharp Minor, Op. 1: II. Andante cantabile · Machine-readable JSON-LD