ISRC FRUM72300832
Verified recording
FRUM72300832 is “3 Waltzes, Op. 34: No. 2. in A Minor, Lento (Arr. for Cello and Piano by A. Franchomme)” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x39ebc2c717b3ec064957487948168ea7dd84bd0ccead241cf2031262ea7e3165 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRUM72300832.
Recording identifiers
- ISRC
- FRUM72300832
- Title
- 3 Waltzes, Op. 34: No. 2. in A Minor, Lento (Arr. for Cello and Piano by A. Franchomme)
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x39ebc2c717b3ec064957487948168ea7dd84bd0ccead241cf2031262ea7e3165
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:41340d0110863ec2f89b8d8f52c03bee303ab9ad0108121e4d2ce8eb9af0f015- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRUM72300832
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: 3 Waltzes, Op. 34: No. 2. in A Minor, Lento (Arr. for Cello and Piano by A. Franchomme) · Machine-readable JSON-LD