ISRC DEUM71303457
Verified recording
DEUM71303457 is “Yesterday - Instrumental” by John Lennon,
registered on the CopyrightChains blockchain with CopyrightID
0xd6b6865db4485f4a7bf8c77e87ff3e4413a76f8c2b8995869cd35c2ba7844d6a and independently timestamped
in Bitcoin block 960160 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEUM71303457.
Recording identifiers
- ISRC
- DEUM71303457
- Title
- Yesterday - Instrumental
- Artist
- John Lennon
- CopyrightID (CopyrightChains transaction hash)
0xd6b6865db4485f4a7bf8c77e87ff3e4413a76f8c2b8995869cd35c2ba7844d6a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T22:48:59+00:00
- Bitcoin block
- 960160
- Canonical record hash
sha256:9aa5f067c6ada1ce88b26ef5c48b36fd521e8350e1b9b08b9f6e2ce28b5e0614- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEUM71303457
- Bitcoin block existence check
- https://blockstream.info/api/block/960160
Full record
Track page: Yesterday - Instrumental · Machine-readable JSON-LD