ISRC ATK940222923
Verified recording
ATK940222923 is “[Untitled film music] (1960) for flute, horn, trumpet, trombone, tuba, percussion, and double Bass: Intro” by Morton Feldman,
registered on the CopyrightChains blockchain with CopyrightID
0x372e4f4e05deaf0ebe51792aeb5b6474c16c8c5f0345dd9dd6256e8958dcdefe and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATK940222923.
Recording identifiers
- ISRC
- ATK940222923
- Title
- [Untitled film music] (1960) for flute, horn, trumpet, trombone, tuba, percussion, and double Bass: Intro
- Artist
- Morton Feldman
- CopyrightID (CopyrightChains transaction hash)
0x372e4f4e05deaf0ebe51792aeb5b6474c16c8c5f0345dd9dd6256e8958dcdefe
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:bfc9cc163f2d2a2153b601d2a3407e50054dd74718d4da1b2c86e4934fdab5e0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATK940222923
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: [Untitled film music] (1960) for flute, horn, trumpet, trombone, tuba, percussion, and double Bass: Intro · Machine-readable JSON-LD