ISRC DEF056800353
Verified recording
DEF056800353 is “Cello Concerto in B Minor, Op. 104, B. 191: II. Adagio ma non troppo” by Antonín Dvořák,
registered on the CopyrightChains blockchain with CopyrightID
0xc21b8d8c07cdcca9c8cdecc6eba4e21774d291fdd9fcd0bcbea015c3c9876313 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056800353.
Recording identifiers
- ISRC
- DEF056800353
- Title
- Cello Concerto in B Minor, Op. 104, B. 191: II. Adagio ma non troppo
- Artist
- Antonín Dvořák
- CopyrightID (CopyrightChains transaction hash)
0xc21b8d8c07cdcca9c8cdecc6eba4e21774d291fdd9fcd0bcbea015c3c9876313
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:ecb6db9dd6b3c18d6821662bcb1a668b8baf0300c4cf3779a0c75ea2ac260357- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056800353
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Cello Concerto in B Minor, Op. 104, B. 191: II. Adagio ma non troppo · Machine-readable JSON-LD