ISRC DEF057702742
Verified recording
DEF057702742 is “Symphony No. 4 in B Flat Major, Op. 60: II. Adagio - Recorded 1977” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xfae1dc7494a47f32d67987a5a80ddef531a596914148c8ddb58c03fc4286e45f and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057702742.
Recording identifiers
- ISRC
- DEF057702742
- Title
- Symphony No. 4 in B Flat Major, Op. 60: II. Adagio - Recorded 1977
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xfae1dc7494a47f32d67987a5a80ddef531a596914148c8ddb58c03fc4286e45f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:27f7d42c121cc30fc96f015ad8f874029ccb6722185472e73fa87e6567139856- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057702742
- Bitcoin block existence check
- https://blockstream.info/api/block/960327
Full record
Track page: Symphony No. 4 in B Flat Major, Op. 60: II. Adagio - Recorded 1977 · Machine-readable JSON-LD