ISRC QM4TW1524442
Verified recording
QM4TW1524442 is “Invention in E Major BWV 777” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x725bc1ab93f039e7f1a2cb2a3ea123f4087b6288cdddadd5c0dc57620925db26 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1524442.
Recording identifiers
- ISRC
- QM4TW1524442
- Title
- Invention in E Major BWV 777
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x725bc1ab93f039e7f1a2cb2a3ea123f4087b6288cdddadd5c0dc57620925db26
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:c7f67bc5e237660d3c7c816b261cfae23b537a50235bd08f82fea1444f0d6c9d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1524442
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Invention in E Major BWV 777 · Machine-readable JSON-LD