ISRC BRB580800056
Verified recording
BRB580800056 is “Old Mcdonald Had a Farm” by MANNU,
registered on the CopyrightChains blockchain with CopyrightID
0xb83646ad8febb501c6fb195bc78f3e0e4db7efd2dcf3871d8e17cdb3ea9fd677 and independently timestamped
in Bitcoin block 960258 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRB580800056.
Recording identifiers
- ISRC
- BRB580800056
- Title
- Old Mcdonald Had a Farm
- Artist
- MANNU
- CopyrightID (CopyrightChains transaction hash)
0xb83646ad8febb501c6fb195bc78f3e0e4db7efd2dcf3871d8e17cdb3ea9fd677
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:45:34+00:00
- Bitcoin block
- 960258
- Canonical record hash
sha256:d406258dcbe103c15580c8128015889f6ae9737490970791d11f19b46b5112c4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRB580800056
- Bitcoin block existence check
- https://blockstream.info/api/block/960258
Full record
Track page: Old Mcdonald Had a Farm · Machine-readable JSON-LD