ISRC DEF057702741
Verified recording
DEF057702741 is “Symphony No. 4 in B Flat Major, Op. 60: I. Adagio – Allegro vivace - Recorded 1977” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xcf66a0c590f1747f7954835b027968bf27fb94fc5e305321d9c41b7bb0fd5416 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/DEF057702741.
Recording identifiers
- ISRC
- DEF057702741
- Title
- Symphony No. 4 in B Flat Major, Op. 60: I. Adagio – Allegro vivace - Recorded 1977
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xcf66a0c590f1747f7954835b027968bf27fb94fc5e305321d9c41b7bb0fd5416
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:82ac93eca8ec8cbc6e20c8e2d6dd22a4d81d53fdf805ceaf74dcacdd009a3d8f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057702741
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Symphony No. 4 in B Flat Major, Op. 60: I. Adagio – Allegro vivace - Recorded 1977 · Machine-readable JSON-LD