ISRC CAJ721776305
Verified recording
CAJ721776305 is “Concerto pour piano No. 2 en do mineur Op. 18: II. Adagio sostenuto” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0xfe0ded866cc861c09bed8b2264ca88f08b903e6133d76013ebff0ccd70a2f59e 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/CAJ721776305.
Recording identifiers
- ISRC
- CAJ721776305
- Title
- Concerto pour piano No. 2 en do mineur Op. 18: II. Adagio sostenuto
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0xfe0ded866cc861c09bed8b2264ca88f08b903e6133d76013ebff0ccd70a2f59e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T16:07:00+00:00
- Bitcoin block
- 957061
- Canonical record hash
sha256:4dfd9d0763f5898350830cd4b6f527143b7e472256b1d400840a8c38680455a7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAJ721776305
- Bitcoin block existence check
- https://blockstream.info/api/block/957061
Full record
Track page: Concerto pour piano No. 2 en do mineur Op. 18: II. Adagio sostenuto · Machine-readable JSON-LD