Christ lag in Todesbanden, BWV 4: I. Sinfonia

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
NLY331407677
CopyrightID (CopyrightChains transaction hash)
0xd1469f65fa7b760c8ce63a7c0b9a359658130c564a6c883597453618db0f8902
Copyright registration time
2026-06-27T07:15:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:7ed2c6c6b6df3d4902a846c513d66d250952dae4a1d6be214d260ef8710e35c5

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.