ISRC DEF058831204
Verified recording
DEF058831204 is “13 Preludes, Op. 32: No. 4 in E Minor: Allegro con brio” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0x712c67201346c56df0df5d5d0fdc7743b3916a7f49ba4da03c8f42347ad69d32 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/DEF058831204.
Recording identifiers
- ISRC
- DEF058831204
- Title
- 13 Preludes, Op. 32: No. 4 in E Minor: Allegro con brio
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0x712c67201346c56df0df5d5d0fdc7743b3916a7f49ba4da03c8f42347ad69d32
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:0ff5d1c177b37d9b82e879acba57efacfa72316a2ca68e1b9f227607b75f0bde- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058831204
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: 13 Preludes, Op. 32: No. 4 in E Minor: Allegro con brio · Machine-readable JSON-LD