ISRC HKI199406302
Verified recording
HKI199406302 is “Symphony No. 3, Op. 36, "Symphony of Sorrowful Songs": II. Lento e largo - Tranquillissimo” by Henryk Górecki,
registered on the CopyrightChains blockchain with CopyrightID
0x88aaa0ef9e4224ce33c473d338c9a5faacd6eef212316cde572a191fee472ac5 and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199406302.
Recording identifiers
- ISRC
- HKI199406302
- Title
- Symphony No. 3, Op. 36, "Symphony of Sorrowful Songs": II. Lento e largo - Tranquillissimo
- Artist
- Henryk Górecki
- CopyrightID (CopyrightChains transaction hash)
0x88aaa0ef9e4224ce33c473d338c9a5faacd6eef212316cde572a191fee472ac5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:a6116d0f9d8775c587b3d10c12baff3224b7c33e088640477c58a792c3adeac3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199406302
- Bitcoin block existence check
- https://blockstream.info/api/block/956889
Full record
Track page: Symphony No. 3, Op. 36, "Symphony of Sorrowful Songs": II. Lento e largo - Tranquillissimo · Machine-readable JSON-LD