ISRC DEF057700261
Verified recording
DEF057700261 is “Cello Concerto No. 6 in D Major, G. 479: I. Allegro (Cadenza: Rostropovich)” by Mstislav Rostropovich,
registered on the CopyrightChains blockchain with CopyrightID
0x637cd56cf5f26922dc303bd91df6b07e913eced3c31fb2049de1db0088167840 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/DEF057700261.
Recording identifiers
- ISRC
- DEF057700261
- Title
- Cello Concerto No. 6 in D Major, G. 479: I. Allegro (Cadenza: Rostropovich)
- Artist
- Mstislav Rostropovich
- CopyrightID (CopyrightChains transaction hash)
0x637cd56cf5f26922dc303bd91df6b07e913eced3c31fb2049de1db0088167840
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:6909625664e38d0725c503c6ab7aff37610a1a5aef832b75b08ef86d6c9a1f87- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057700261
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Cello Concerto No. 6 in D Major, G. 479: I. Allegro (Cadenza: Rostropovich) · Machine-readable JSON-LD