ISRC DEMZ11700076
Verified recording
DEMZ11700076 is “Second Waltz” by Dmitri Shostakovich,
registered on the CopyrightChains blockchain with CopyrightID
0xc0e9dcd626cc1d895897e3db1d740279026bb1a306ed84bfda92bbc05d7923ca and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEMZ11700076.
Recording identifiers
- ISRC
- DEMZ11700076
- Title
- Second Waltz
- Artist
- Dmitri Shostakovich
- CopyrightID (CopyrightChains transaction hash)
0xc0e9dcd626cc1d895897e3db1d740279026bb1a306ed84bfda92bbc05d7923ca
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:9991dd063504383dd1efc473dfb085d7fd5114ac5c455dcc4a26adcd0107ee13- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEMZ11700076
- Bitcoin block existence check
- https://blockstream.info/api/block/956302