ISRC DEUM71723021
Verified recording
DEUM71723021 is “Song of the Volga (From "The Tsarevich") - ARV_17” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0xc6cdbdd9bfb2d79f00795ff5bca61079a87cbc5a63a6a7c968aa1749c8f42b62 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEUM71723021.
Recording identifiers
- ISRC
- DEUM71723021
- Title
- Song of the Volga (From "The Tsarevich") - ARV_17
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0xc6cdbdd9bfb2d79f00795ff5bca61079a87cbc5a63a6a7c968aa1749c8f42b62
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:d651ed950d4c2426dcedf0d0983b998e5a26e4c9116b0f19103d82b77a8dc3a3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEUM71723021
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Song of the Volga (From "The Tsarevich") - ARV_17 · Machine-readable JSON-LD