ISRC DEFG20400705
Verified recording
DEFG20400705 is “Little Brown Jug (arr. for cello quartet)” by Joseph Eastburn Winner,
registered on the CopyrightChains blockchain with CopyrightID
0x11d185f340e77164b6eb3475baca608c4c0b397965b109f7140912513b68e3a1 and independently timestamped
in Bitcoin block 960459 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEFG20400705.
Recording identifiers
- ISRC
- DEFG20400705
- Title
- Little Brown Jug (arr. for cello quartet)
- Artist
- Joseph Eastburn Winner
- CopyrightID (CopyrightChains transaction hash)
0x11d185f340e77164b6eb3475baca608c4c0b397965b109f7140912513b68e3a1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T20:22:46+00:00
- Bitcoin block
- 960459
- Canonical record hash
sha256:30cbdc8a0e35811627c8d610af7b19aaa4d774a8299839c467aa0ea706ef9c9b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEFG20400705
- Bitcoin block existence check
- https://blockstream.info/api/block/960459
Full record
Track page: Little Brown Jug (arr. for cello quartet) · Machine-readable JSON-LD