ISRC PLB381300245
Verified recording
PLB381300245 is “Spozniony Slowik” by Witold Lutosławski,
registered on the CopyrightChains blockchain with CopyrightID
0xeda0f555d5c614587a2f2ab6ab1898bf3ffa4d4c8cb0fd31d03b2a978f1c5985 and independently timestamped
in Bitcoin block 960157 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLB381300245.
Recording identifiers
- ISRC
- PLB381300245
- Title
- Spozniony Slowik
- Artist
- Witold Lutosławski
- CopyrightID (CopyrightChains transaction hash)
0xeda0f555d5c614587a2f2ab6ab1898bf3ffa4d4c8cb0fd31d03b2a978f1c5985
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T22:12:10+00:00
- Bitcoin block
- 960157
- Canonical record hash
sha256:7b86fec001a3dd93d52d1d18a618a00b9926ceed026d47541697c56803d05399- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLB381300245
- Bitcoin block existence check
- https://blockstream.info/api/block/960157