ISRC DEF059103552
Verified recording
DEF059103552 is “String Quartet No. 2: 2. Arguments:” by Charles Ives,
registered on the CopyrightChains blockchain with CopyrightID
0xc6cc778d185b89aa979a56829fe325db134fe5ae38db135636f028d99ba9a781 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/DEF059103552.
Recording identifiers
- ISRC
- DEF059103552
- Title
- String Quartet No. 2: 2. Arguments:
- Artist
- Charles Ives
- CopyrightID (CopyrightChains transaction hash)
0xc6cc778d185b89aa979a56829fe325db134fe5ae38db135636f028d99ba9a781
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:b270f65edd86f35c491704ef42d537d541a63d95b4f4690dfa58a7ded1c459ed- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059103552
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: String Quartet No. 2: 2. Arguments: · Machine-readable JSON-LD