ISRC DESR71609120
Verified recording
DESR71609120 is “Symphony No. 4 in B-Flat Major, Op. 60: IV. Allegro ma non troppo” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x1b50ca80bbfc01d2359b885024bd22b77e612d47e34e0860821091d985ebc381 and independently timestamped
in Bitcoin block 959155 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DESR71609120.
Recording identifiers
- ISRC
- DESR71609120
- Title
- Symphony No. 4 in B-Flat Major, Op. 60: IV. Allegro ma non troppo
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x1b50ca80bbfc01d2359b885024bd22b77e612d47e34e0860821091d985ebc381
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T16:43:41+00:00
- Bitcoin block
- 959155
- Canonical record hash
sha256:5560328f75c27e80a39f88ff5296b9ccacf87a39e884d23d552b7ec286c7b415- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DESR71609120
- Bitcoin block existence check
- https://blockstream.info/api/block/959155
Full record
Track page: Symphony No. 4 in B-Flat Major, Op. 60: IV. Allegro ma non troppo · Machine-readable JSON-LD