ISRC PLB351319702
Verified recording
PLB351319702 is “Lacrimosa” by Witold Lutosławski,
registered on the CopyrightChains blockchain with CopyrightID
0x0f74c7cc5d5bac1ecdb6072b762d2e7495e0f2d2399fbd6a8281419e37f218b5 and independently timestamped
in Bitcoin block 960348 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLB351319702.
Recording identifiers
- ISRC
- PLB351319702
- Title
- Lacrimosa
- Artist
- Witold Lutosławski
- CopyrightID (CopyrightChains transaction hash)
0x0f74c7cc5d5bac1ecdb6072b762d2e7495e0f2d2399fbd6a8281419e37f218b5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:17:02+00:00
- Bitcoin block
- 960348
- Canonical record hash
sha256:11afdf14d391e7bd2c19445b41a7d56355e9410295b6137e05a69652f2481b7b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLB351319702
- Bitcoin block existence check
- https://blockstream.info/api/block/960348