ISRC DEF059205130
Verified recording
DEF059205130 is “Piano Quintet” by Anton Webern,
registered on the CopyrightChains blockchain with CopyrightID
0x87fd32b2339c89e284f4d81aa49582b3ea05d21c1cd5edd493a5ec9e86ce9dd5 and independently timestamped
in Bitcoin block 960468 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059205130.
Recording identifiers
- ISRC
- DEF059205130
- Title
- Piano Quintet
- Artist
- Anton Webern
- CopyrightID (CopyrightChains transaction hash)
0x87fd32b2339c89e284f4d81aa49582b3ea05d21c1cd5edd493a5ec9e86ce9dd5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T21:25:57+00:00
- Bitcoin block
- 960468
- Canonical record hash
sha256:6fd2826f3a990d51e24195031d6b4f4044b9287c7afe76e8cdba7f9c6230358d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059205130
- Bitcoin block existence check
- https://blockstream.info/api/block/960468