ISRC DEF059605950
Verified recording
DEF059605950 is “Twill by Twilight (1988) - In Memory of Morton Feldman - for large orchestra” by Toru Takemitsu,
registered on the CopyrightChains blockchain with CopyrightID
0x57633f6e7578189247d0d1e48aeb416c3b5adef56f1ac533e198e6d72f77da51 and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059605950.
Recording identifiers
- ISRC
- DEF059605950
- Title
- Twill by Twilight (1988) - In Memory of Morton Feldman - for large orchestra
- Artist
- Toru Takemitsu
- CopyrightID (CopyrightChains transaction hash)
0x57633f6e7578189247d0d1e48aeb416c3b5adef56f1ac533e198e6d72f77da51
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:ca13a58ca0aa44484f069d99cc65a062288504487581ceaafab3b2671329cfc2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059605950
- Bitcoin block existence check
- https://blockstream.info/api/block/960448
Full record
Track page: Twill by Twilight (1988) - In Memory of Morton Feldman - for large orchestra · Machine-readable JSON-LD