ISRC DEF055900631
Verified recording
DEF055900631 is “10 Preludes, Op. 23: No. 4 Andante cantabile In D Major” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0x85e21e66d643aba24a4af4094a756203bfd49a287143db259a70293d0187f0b4 and independently timestamped
in Bitcoin block 960429 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055900631.
Recording identifiers
- ISRC
- DEF055900631
- Title
- 10 Preludes, Op. 23: No. 4 Andante cantabile In D Major
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0x85e21e66d643aba24a4af4094a756203bfd49a287143db259a70293d0187f0b4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T16:07:24+00:00
- Bitcoin block
- 960429
- Canonical record hash
sha256:341dd591b27fbd3ebf1d234aac2e215cb5507fab29c089e2ba5a0e2b0b1222bf- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055900631
- Bitcoin block existence check
- https://blockstream.info/api/block/960429
Full record
Track page: 10 Preludes, Op. 23: No. 4 Andante cantabile In D Major · Machine-readable JSON-LD