ISRC DEF059604423
Verified recording
DEF059604423 is “String Quartet 1931: 3. Andante” by Ruth Crawford Seeger,
registered on the CopyrightChains blockchain with CopyrightID
0xfd6a4f93eea620b7107802f1fbccc33f0b63e3a62f32f56e93798579cb81e38c and independently timestamped
in Bitcoin block 960247 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059604423.
Recording identifiers
- ISRC
- DEF059604423
- Title
- String Quartet 1931: 3. Andante
- Artist
- Ruth Crawford Seeger
- CopyrightID (CopyrightChains transaction hash)
0xfd6a4f93eea620b7107802f1fbccc33f0b63e3a62f32f56e93798579cb81e38c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T10:42:33+00:00
- Bitcoin block
- 960247
- Canonical record hash
sha256:5420f8a74ee96beac1310670a307bd0084fc72962168f584b9e1013d01ea654a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059604423
- Bitcoin block existence check
- https://blockstream.info/api/block/960247
Full record
Track page: String Quartet 1931: 3. Andante · Machine-readable JSON-LD