ISRC ATK940222927

Verified recording

ATK940222927 is “[Untitled film music] (1960) for flute, horn, trumpet, trombone, tuba, percussion, and double Bass: Theme” by Morton Feldman, registered on the CopyrightChains blockchain with CopyrightID 0x33fd899602ccd3dc00a24610121e7c0c87a7ea1d5eb18c3098d0f1402f535494 and independently timestamped in Bitcoin block 960254 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATK940222927.

Recording identifiers

ISRC
ATK940222927
Title
[Untitled film music] (1960) for flute, horn, trumpet, trombone, tuba, percussion, and double Bass: Theme
Artist
Morton Feldman
CopyrightID (CopyrightChains transaction hash)
0x33fd899602ccd3dc00a24610121e7c0c87a7ea1d5eb18c3098d0f1402f535494

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T12:06:10+00:00
Bitcoin block
960254
Canonical record hash
sha256:07ece12b7f06018eca05f8973c4dde079f1e3bd3bffd53d13c06040cdbcc0d69
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ATK940222927
Bitcoin block existence check
https://blockstream.info/api/block/960254

Full record

Track page: [Untitled film music] (1960) for flute, horn, trumpet, trombone, tuba, percussion, and double Bass: Theme · Machine-readable JSON-LD