ISRC HKI191154601
Verified recording
HKI191154601 is “Male requiem dla pewnej polki (Little Requiem for a Certain Polka), Op. 66: I. Tranquillo” by Henryk Górecki,
registered on the CopyrightChains blockchain with CopyrightID
0x9d36f652991632f5043c06e9936213a7f518d826be97c50c9b0e19557edbfba4 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191154601.
Recording identifiers
- ISRC
- HKI191154601
- Title
- Male requiem dla pewnej polki (Little Requiem for a Certain Polka), Op. 66: I. Tranquillo
- Artist
- Henryk Górecki
- CopyrightID (CopyrightChains transaction hash)
0x9d36f652991632f5043c06e9936213a7f518d826be97c50c9b0e19557edbfba4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:9bb56640daa6f09aa0c6922585170bf590576cb8fdd5bf34d21c9ce488b24662- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191154601
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Male requiem dla pewnej polki (Little Requiem for a Certain Polka), Op. 66: I. Tranquillo · Machine-readable JSON-LD