ISRC CH4212100164
Verified recording
CH4212100164 is “Symphony No. 7 in A Major, Op. 92: II. Allegretto” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x2042eb550c33a6a99d5cd2f2ec584a9cc11e39b969021f4fe18c6d09aa17c1a9 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH4212100164.
Recording identifiers
- ISRC
- CH4212100164
- Title
- Symphony No. 7 in A Major, Op. 92: II. Allegretto
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x2042eb550c33a6a99d5cd2f2ec584a9cc11e39b969021f4fe18c6d09aa17c1a9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:928ba9122161b5ad2e435c04b13ef1b777a70d2c7f6a40d250777b87a2307522- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH4212100164
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Symphony No. 7 in A Major, Op. 92: II. Allegretto · Machine-readable JSON-LD