ISRC DEE212142607
Verified recording
DEE212142607 is “String Quartet in F Minor, Op. 20/5, Hob. III:35, "Sun Quartet": III. Adagio” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x2c0c9be99b94460c1fca359d05a9da8b3e3d1740d6a6d1055b776dab31066e22 and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE212142607.
Recording identifiers
- ISRC
- DEE212142607
- Title
- String Quartet in F Minor, Op. 20/5, Hob. III:35, "Sun Quartet": III. Adagio
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x2c0c9be99b94460c1fca359d05a9da8b3e3d1740d6a6d1055b776dab31066e22
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:49e3e68a6159ef7e17a637863e93c9c6d7a52050ce63cc50a6901935863e5121- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE212142607
- Bitcoin block existence check
- https://blockstream.info/api/block/960327
Full record
Track page: String Quartet in F Minor, Op. 20/5, Hob. III:35, "Sun Quartet": III. Adagio · Machine-readable JSON-LD