ISRC NLA460914113

Verified recording

NLA460914113 is “IV. Contrapunctus IV” by Johann Sebastian Bach, registered on the CopyrightChains blockchain with CopyrightID 0xe7dd73a6b1d4a04b70f842c92733f74380a189df7f67937acec8c7cd5de933f5 and independently timestamped in Bitcoin block 960352 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA460914113.

Recording identifiers

ISRC
NLA460914113
Title
IV. Contrapunctus IV
Artist
Johann Sebastian Bach
CopyrightID (CopyrightChains transaction hash)
0xe7dd73a6b1d4a04b70f842c92733f74380a189df7f67937acec8c7cd5de933f5

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T05:48:30+00:00
Bitcoin block
960352
Canonical record hash
sha256:4f03bdad7adb74cd34e12f9749868dc233d09983b90d2c6efc7401ccff8ccce2
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA460914113
Bitcoin block existence check
https://blockstream.info/api/block/960352

Full record

Track page: IV. Contrapunctus IV · Machine-readable JSON-LD