ISRC DEF058831209
Verified recording
DEF058831209 is “13 Préludes op.32: No. 9 in A major: Allegro moderato” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0xcdc62649850ef2a1f0a0078d3dd587c51274d3b27c1c62fe2d47c79149d72ab0 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058831209.
Recording identifiers
- ISRC
- DEF058831209
- Title
- 13 Préludes op.32: No. 9 in A major: Allegro moderato
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0xcdc62649850ef2a1f0a0078d3dd587c51274d3b27c1c62fe2d47c79149d72ab0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:3edd13c58be408659950e7ca8c92cc2386e4082c693bb97dcad03c936af8d692- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058831209
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: 13 Préludes op.32: No. 9 in A major: Allegro moderato · Machine-readable JSON-LD