ISRC DEF056100221
Verified recording
DEF056100221 is “Cello Concerto in B Minor, Op. 104 B. 191: I. Allegro” by Antonín Dvořák,
registered on the CopyrightChains blockchain with CopyrightID
0x878a5e47e9b84cde45516195a948f9bd97df5972399286e2256fe309d6d5c2e2 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056100221.
Recording identifiers
- ISRC
- DEF056100221
- Title
- Cello Concerto in B Minor, Op. 104 B. 191: I. Allegro
- Artist
- Antonín Dvořák
- CopyrightID (CopyrightChains transaction hash)
0x878a5e47e9b84cde45516195a948f9bd97df5972399286e2256fe309d6d5c2e2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:83ed9830f0ab26a0f4a18747649939acc75e469a9e2971c4ac0010cc44b7bcaa- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056100221
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Cello Concerto in B Minor, Op. 104 B. 191: I. Allegro · Machine-readable JSON-LD