ISRC DEF057610021
Verified recording
DEF057610021 is “Symphony No. 1 in C Major, Op. 21: I. Adagio molto - Allegro con brio” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x9fdfa16ba78760bb45befd4403d9826e4e6884d564814b8efd55fa8ef44a39b9 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057610021.
Recording identifiers
- ISRC
- DEF057610021
- Title
- Symphony No. 1 in C Major, Op. 21: I. Adagio molto - Allegro con brio
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x9fdfa16ba78760bb45befd4403d9826e4e6884d564814b8efd55fa8ef44a39b9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:d118301e6214765aaa32f7fa7d0b152305ed6000bc0552c030eaddaee58a11f9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057610021
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Symphony No. 1 in C Major, Op. 21: I. Adagio molto - Allegro con brio · Machine-readable JSON-LD