ISRC DEF059602120
Verified recording
DEF059602120 is “Schwanengesang, D. 957: Ständchen - Performed on Cello & Piano” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0x147cec5f9ad9e8f99c48034e5358fdf9b2fee5495f884a8d4252d9fbb1f254d2 and independently timestamped
in Bitcoin block 960099 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059602120.
Recording identifiers
- ISRC
- DEF059602120
- Title
- Schwanengesang, D. 957: Ständchen - Performed on Cello & Piano
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0x147cec5f9ad9e8f99c48034e5358fdf9b2fee5495f884a8d4252d9fbb1f254d2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T11:30:20+00:00
- Bitcoin block
- 960099
- Canonical record hash
sha256:8f36598f305ddc4c9102f373cb2e9c81c5749fce6817c71108285ba19bbc6634- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059602120
- Bitcoin block existence check
- https://blockstream.info/api/block/960099
Full record
Track page: Schwanengesang, D. 957: Ständchen - Performed on Cello & Piano · Machine-readable JSON-LD