ISRC DEF058001073
Verified recording
DEF058001073 is “String Quartet No. 10 In E Flat Major, D.87: 3. Adagio” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0x3917fbb917ca6f67124d1540d5e69668ad1955d8c591da93189bc0105c56eda2 and independently timestamped
in Bitcoin block 960337 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058001073.
Recording identifiers
- ISRC
- DEF058001073
- Title
- String Quartet No. 10 In E Flat Major, D.87: 3. Adagio
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0x3917fbb917ca6f67124d1540d5e69668ad1955d8c591da93189bc0105c56eda2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:51:48+00:00
- Bitcoin block
- 960337
- Canonical record hash
sha256:602178f925fa1e5500df600795771a33f42b79238bcc2397c2b3c106b5e2f4db- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058001073
- Bitcoin block existence check
- https://blockstream.info/api/block/960337
Full record
Track page: String Quartet No. 10 In E Flat Major, D.87: 3. Adagio · Machine-readable JSON-LD