ISRC CZA169101039
Verified recording
CZA169101039 is “Piano Concerto No. 1 in D Minor, Op. 15: I. Maestoso” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0x9ed58fcebbd66111c69842e5e4b18a1283f3ec26f2e9bbd2f8f7c4130f0d5222 and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA169101039.
Recording identifiers
- ISRC
- CZA169101039
- Title
- Piano Concerto No. 1 in D Minor, Op. 15: I. Maestoso
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0x9ed58fcebbd66111c69842e5e4b18a1283f3ec26f2e9bbd2f8f7c4130f0d5222
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:cf31ee681df47db7b857c8898dab32a5989d75b88b44ab3c798ebf4073d8aa82- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA169101039
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: Piano Concerto No. 1 in D Minor, Op. 15: I. Maestoso · Machine-readable JSON-LD