ISRC NLA509412502
Verified recording
NLA509412502 is “Symphony No. 3 "Symphony of Sorrowful Songs": 2. Lento e largo” by Henryk Górecki,
registered on the CopyrightChains blockchain with CopyrightID
0x76cc7e24f5fad6899d41c00979597491b1c9b80372f257d547a3ba55ee64d2e3 and independently timestamped
in Bitcoin block 960302 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509412502.
Recording identifiers
- ISRC
- NLA509412502
- Title
- Symphony No. 3 "Symphony of Sorrowful Songs": 2. Lento e largo
- Artist
- Henryk Górecki
- CopyrightID (CopyrightChains transaction hash)
0x76cc7e24f5fad6899d41c00979597491b1c9b80372f257d547a3ba55ee64d2e3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T20:09:33+00:00
- Bitcoin block
- 960302
- Canonical record hash
sha256:dd5404521c310120d303bb5ecc051fe222bee6e1b1e44878a3547b7d5bd036dd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509412502
- Bitcoin block existence check
- https://blockstream.info/api/block/960302
Full record
Track page: Symphony No. 3 "Symphony of Sorrowful Songs": 2. Lento e largo · Machine-readable JSON-LD