ISRC USRDG0211873
Verified recording
USRDG0211873 is “Wien, Wien nur du allein (Vienna, City of My Dreams / Vienne, o ville exquise)” by Rudolf Sieczynski,
registered on the CopyrightChains blockchain with CopyrightID
0xea633a3e6e0e3a07e250269a2f856a347f7a29c6ecc2bd8c02da8ce7c3cc35ba and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG0211873.
Recording identifiers
- ISRC
- USRDG0211873
- Title
- Wien, Wien nur du allein (Vienna, City of My Dreams / Vienne, o ville exquise)
- Artist
- Rudolf Sieczynski
- CopyrightID (CopyrightChains transaction hash)
0xea633a3e6e0e3a07e250269a2f856a347f7a29c6ecc2bd8c02da8ce7c3cc35ba
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:914aa15b1c9f4fa6a9309af6a3fa23c963c143e87f226d7ee70dd5abb61ab775- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRDG0211873
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: Wien, Wien nur du allein (Vienna, City of My Dreams / Vienne, o ville exquise) · Machine-readable JSON-LD