ISRC DEF056500450
Verified recording
DEF056500450 is “Leonore Overture No. 3, Op. 72b - Recorded 1966” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x39b33a537711f336fb12f8007bffad9615ee6260e3ba54192ec5868be5c6fa36 and independently timestamped
in Bitcoin block 960348 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500450.
Recording identifiers
- ISRC
- DEF056500450
- Title
- Leonore Overture No. 3, Op. 72b - Recorded 1966
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x39b33a537711f336fb12f8007bffad9615ee6260e3ba54192ec5868be5c6fa36
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:17:02+00:00
- Bitcoin block
- 960348
- Canonical record hash
sha256:8d94a9120a25bd9fa8c7b01a8669b2fd51c007a8d52245ad977bfe9b61317aae- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500450
- Bitcoin block existence check
- https://blockstream.info/api/block/960348
Full record
Track page: Leonore Overture No. 3, Op. 72b - Recorded 1966 · Machine-readable JSON-LD