ISRC FINDE1900169
Verified recording
FINDE1900169 is “Symphony No. 3: Tempo I” by Witold Lutosławski,
registered on the CopyrightChains blockchain with CopyrightID
0x090935fab854072da07512cf933bfed44d7e10fbddffaea3e38c552c8fe45ad5 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FINDE1900169.
Recording identifiers
- ISRC
- FINDE1900169
- Title
- Symphony No. 3: Tempo I
- Artist
- Witold Lutosławski
- CopyrightID (CopyrightChains transaction hash)
0x090935fab854072da07512cf933bfed44d7e10fbddffaea3e38c552c8fe45ad5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:db3800b119f099c84f17a7d69c88b7302eb626ebf9a6dbba1b00b3b8daf19190- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FINDE1900169
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Symphony No. 3: Tempo I · Machine-readable JSON-LD