ISRC CZD940900026
Verified recording
CZD940900026 is “National Anthem of Republic of Poland” by Anonymous,
registered on the CopyrightChains blockchain with CopyrightID
0xf412e31a10c5f697204265133abb58e7ccdd754d1aeec0bdc11f32ce6e68c197 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZD940900026.
Recording identifiers
- ISRC
- CZD940900026
- Title
- National Anthem of Republic of Poland
- Artist
- Anonymous
- CopyrightID (CopyrightChains transaction hash)
0xf412e31a10c5f697204265133abb58e7ccdd754d1aeec0bdc11f32ce6e68c197
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:83e892631d4e5d8ee91a9fddd22fb712e5b7d1cca600ff7ac8fe6eec10058e05- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZD940900026
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: National Anthem of Republic of Poland · Machine-readable JSON-LD