ISRC DEF057401030
Verified recording
DEF057401030 is “Three Little Pieces for Cello and Piano, op.11 (1914)” by Anton Webern,
registered on the CopyrightChains blockchain with CopyrightID
0x574f79c4919002b26204d4c3e65504f9242d810ba0e00625faddae99a31fa844 and independently timestamped
in Bitcoin block 960296 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057401030.
Recording identifiers
- ISRC
- DEF057401030
- Title
- Three Little Pieces for Cello and Piano, op.11 (1914)
- Artist
- Anton Webern
- CopyrightID (CopyrightChains transaction hash)
0x574f79c4919002b26204d4c3e65504f9242d810ba0e00625faddae99a31fa844
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T19:11:09+00:00
- Bitcoin block
- 960296
- Canonical record hash
sha256:0cb126b3cabeaba3cd71dec87106a5d4b5528a38f04e1d38af6141511c08475c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057401030
- Bitcoin block existence check
- https://blockstream.info/api/block/960296
Full record
Track page: Three Little Pieces for Cello and Piano, op.11 (1914) · Machine-readable JSON-LD