ISRC DEF056102021
Verified recording
DEF056102021 is “Cello Concerto in A major, Wq. 172: 1. Allegro” by Carl Philipp Emanuel Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x64082cd178821d3e0672dfafd04ad167573e96efc143a211819934b7731abbb8 and independently timestamped
in Bitcoin block 960163 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056102021.
Recording identifiers
- ISRC
- DEF056102021
- Title
- Cello Concerto in A major, Wq. 172: 1. Allegro
- Artist
- Carl Philipp Emanuel Bach
- CopyrightID (CopyrightChains transaction hash)
0x64082cd178821d3e0672dfafd04ad167573e96efc143a211819934b7731abbb8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T23:20:38+00:00
- Bitcoin block
- 960163
- Canonical record hash
sha256:6e4d9ad4cb571e6e8ab6ce686d11b1a809b0744b3e02f321300f7854003b908d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056102021
- Bitcoin block existence check
- https://blockstream.info/api/block/960163
Full record
Track page: Cello Concerto in A major, Wq. 172: 1. Allegro · Machine-readable JSON-LD