ISRC ITK5L1300371
Verified recording
ITK5L1300371 is “Primitive” by John Cage,
registered on the CopyrightChains blockchain with CopyrightID
0x4179b774fd81faa6425e71bb1d807206c903b6b68beb9419e3d951e1c3540b19 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/ITK5L1300371.
Recording identifiers
- ISRC
- ITK5L1300371
- Title
- Primitive
- Artist
- John Cage
- CopyrightID (CopyrightChains transaction hash)
0x4179b774fd81faa6425e71bb1d807206c903b6b68beb9419e3d951e1c3540b19
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:2fd16fd4c0e3b8977c4d8327b41f8e6f8bdbc63b56b0d237f8aa8f458008b265- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITK5L1300371
- Bitcoin block existence check
- https://blockstream.info/api/block/957118