ISRC DEF058831202
Verified recording
DEF058831202 is “13 Preludes, Op. 32: No. 2 in B-Flat Minor: Allegretto” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0x7f108a91341e079d9d1cc0baf35900639fcbeacc75a83e306750bf6b6010250b 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/DEF058831202.
Recording identifiers
- ISRC
- DEF058831202
- Title
- 13 Preludes, Op. 32: No. 2 in B-Flat Minor: Allegretto
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0x7f108a91341e079d9d1cc0baf35900639fcbeacc75a83e306750bf6b6010250b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:5fbd5500769304cf804f5cbfa8f1828e4432a759e399ea3c54dba8ee604401b5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058831202
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: 13 Preludes, Op. 32: No. 2 in B-Flat Minor: Allegretto · Machine-readable JSON-LD