ISRC NLA506800220
Verified recording
NLA506800220 is “Christ lag in Todesbanden, Cantata BWV 4: 1. Sinfonia” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x75ea4311c877b81987e990930d04d0939b7bed3520b2fcb06dc8c81288ff0125 and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506800220.
Recording identifiers
- ISRC
- NLA506800220
- Title
- Christ lag in Todesbanden, Cantata BWV 4: 1. Sinfonia
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x75ea4311c877b81987e990930d04d0939b7bed3520b2fcb06dc8c81288ff0125
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:ae422b4c001870855b3ad8b58ed860e4c9c0875fe11041342983fb61660001a0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506800220
- Bitcoin block existence check
- https://blockstream.info/api/block/960418
Full record
Track page: Christ lag in Todesbanden, Cantata BWV 4: 1. Sinfonia · Machine-readable JSON-LD