ISRC DEF056500781
Verified recording
DEF056500781 is “Waltz No. 10 in B Minor, Op. 69 No. 2: Moderato” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x63b3d476ca8e3ecff791aebd1d6ffa1c45c9681b0f788d52687b5450c782948a and independently timestamped
in Bitcoin block 960191 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500781.
Recording identifiers
- ISRC
- DEF056500781
- Title
- Waltz No. 10 in B Minor, Op. 69 No. 2: Moderato
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x63b3d476ca8e3ecff791aebd1d6ffa1c45c9681b0f788d52687b5450c782948a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T01:51:26+00:00
- Bitcoin block
- 960191
- Canonical record hash
sha256:93b7e1bb8c11ebd0d58ffc5718dc1695043df6808d703c2873b934ecafed7cdb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500781
- Bitcoin block existence check
- https://blockstream.info/api/block/960191
Full record
Track page: Waltz No. 10 in B Minor, Op. 69 No. 2: Moderato · Machine-readable JSON-LD