ISRC USSJ10301494
Verified recording
USSJ10301494 is “Rachmaninoff: Waltz in A-Flat Major, Op. 39: No. 15” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0x643381c0f0275de451942960437f0bd80decfcf5f64966f18f8de39047efd6b0 and independently timestamped
in Bitcoin block 960284 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10301494.
Recording identifiers
- ISRC
- USSJ10301494
- Title
- Rachmaninoff: Waltz in A-Flat Major, Op. 39: No. 15
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0x643381c0f0275de451942960437f0bd80decfcf5f64966f18f8de39047efd6b0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T17:23:26+00:00
- Bitcoin block
- 960284
- Canonical record hash
sha256:55e8d60129f2b4f2fc08185aad37ea22de3601c2c23492bff585c203e1301966- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10301494
- Bitcoin block existence check
- https://blockstream.info/api/block/960284
Full record
Track page: Rachmaninoff: Waltz in A-Flat Major, Op. 39: No. 15 · Machine-readable JSON-LD