ISRC DEA808812503
Verified recording
DEA808812503 is “Haydn, M: Duo for Violin and Viola No. 1 in C Major, MH 335: III. Rondo con spirito” by Michael Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x613faf8fcb488c6d0de5c275a20731c34df37ebe1b733fdcddc496faae94b37a and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA808812503.
Recording identifiers
- ISRC
- DEA808812503
- Title
- Haydn, M: Duo for Violin and Viola No. 1 in C Major, MH 335: III. Rondo con spirito
- Artist
- Michael Haydn
- CopyrightID (CopyrightChains transaction hash)
0x613faf8fcb488c6d0de5c275a20731c34df37ebe1b733fdcddc496faae94b37a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:79eb1c829d319f28f972a1709b2fda3622a5f8cbbcfd826fde535e0f815b64e9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA808812503
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Haydn, M: Duo for Violin and Viola No. 1 in C Major, MH 335: III. Rondo con spirito · Machine-readable JSON-LD